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Intellegent Warfare: Electronic Support Measures and Application of HARM Missile

USS KITTY HAWK (CV 63), At Sea (November 9, 2005) – Aviation Ordnanceman prepare to load a CATM-88 Harm missile onboard the USS Kitty Hawk (CV-63). While at sea, Kitty Hawk and Carrier Strike Group 5 will be participating in an annual exercise with the Japanese Maritime Self Defense Force. Currently underway in the western Pacific Ocean, Kitty Hawk Carrier Strike Group demonstrates power projection and sea control as the Navy's only permanently forward-deployed aircraft carrier strike group, operating from Yokosuka, Japan. U.S. Navy photo by Photographer’s Mate 3rd Class (AW) Jonathan Chandler.

After writing few posts discussing the technological influence on defence stratagies of different nation, this time I thought to go slightly technical. A reader may use this information as an extension of my discussion on Electronic Warfare – Electronic Warfare Operations Warfare has always been conducted by adversaries who have been at great pains to understand their enemy’s strengths and weaknesses in order to minimise the risk to their own forces and territory. The detection and interception of messages and the efforts to deceive the enemy have long been the task of the ‘secret service. As methods of communication developed, so too did methods of interception become more effective. Radar has developed from a mere detection mechanism to a means of surveillance and guidance. This post is focuses on gathering information on immediate threats which is performed by Electronic Support Measures (ECM)

MH-53 Pave Low helicopters prepare to take off for their final combat mission on Sept. 27, 2008, in Iraq. The MH-53, the largest and most technologically advanced helicopter in the Air Force with a record dating back to the Vietnam War, was retired from the Air Force inventory on Sept. 30, 2008

Electronic Warfare (EW) planning requires a broad understanding of enemy and friendly capabilities, tactics, and objectives. Employment of EW assets must be closely integrated into, and supportive of, the commander’s overall planning effort. This planning requires a multidisciplined approach with expertise from operations (ground, airborne, space), intelligence, logistics, weather, and information. Application of this sort of EW planning and employment was seen in Operation Desert Storm in 1991. three US Air Force MH-53J PAVE LOW helicopters (shown above) led nine US Army AH-64 Apache helicopters across the Saudi Arabia-Iraq border to attack two Iraqi early warning radar sites. Taking down these two sites opened the door for attacks across Iraq by F-117s, other coalition aircraft and Tomahawk missiles (shown below).

Block IV Cutaway - Raytheon

After the F-117s and cruise missiles came conventional aircraft. From 0355L to 0420L (H+55 to H+1:20) large numbers of USAF, USN, USMC, RSAF, and RAF aircraft smashed Iraqi air defenses and fields from H-3, an airfield located in western Iraq, to Ahmed Al Jaber, an airfield in occupied Kuwait. Two packages of aircraft, one a USN package from the Red Sea carriers and the other a USAF package from the south pointed directly at Baghdad. These “gorilla” packages were intended to seem threatening enough to force the Iraqis to hurl their air resources in defense. Air Force ground-launched BQM-34 and Navy tactical air-launched decoys (TALD) mimicked the radar return of conventional aircraft to further arouse Iraqi radar operators, many already confused by the absence of central control from Kari. Finally, radar-jamming aircraft radiated blanketing electronic emissions that drove the Iraqi radar operators to go to full power in an attempt to break through the interference. Then, the two incoming coalition flights revealed their true nature and pounced in a shrewd and devastating ruse.

The newest upgrade is a joint venture by the Italian Ministry of Defense and the US Department of Defense: the AGM-88E Advanced Anti Radiation Guided Missile (AARGM), produced by Alliant Techsystems.

What was unique here that, instead of bomb-carrying fighter-bombers, they were radar-killing electronic warriors carrying AGM-88 high-speed antiradiation missiles (HARMS) designed to home in on SAM and AAA radar (shown above). The AGM-88 High-speed Anti-Radiation Missile (HARM) is a tactical, air-to-surface missile designed to home in on electronic transmissions coming from surface-to-air radar systems. Originally developed by Texas Instruments (TI) as a replacement for the AGM-45 Shrike and AGM-78 Standard ARM system. Production was later taken over by Raytheon Corporation (RAYCO) when they purchased TI’s defense business. The AGM-88 can detect, attack and destroy a radar antenna or transmitter with minimal aircrew input. The proportional guidance system that homes in on enemy radar emissions has a fixed antenna and seeker head in the missile’s nose. A smokeless, solid-propellant, dual-thrust rocket motor propels the missile at speeds over Mach 2. HARM, a Navy-led program, was initially integrated onto the A-6E, A-7 and F/A-18 and later onto the EA-6B. USAF F-4G Wild Weasels alone expended dozens of HARMS in twenty minutes, while USN/USMC F/A-18s fired one hundred for the night. HARMS filled the air over Baghdad, the site of over one-half of Iraq’s SAM and AAA batteries. Foolishly, the Iraqis did not turn off their radars, even when the HARMS fireballed in their midst; as one USAF flight leader averred, ‘the emitters came on and stayed on for the entire flight of the missiles.’ This deadly surprise not only destroyed many Iraqi radars, it also terrified their operators. For the rest of the war, they showed great reluctance to use radar and often chose to launch their SAMs with optical or even no guidance.

High-speed Anti-Radiation Missile (HARM) – A Little Overview

The initial HARM attack and the F-117 bombings of the Kari system left Iraq’s integrated air defense system shattered, opening up the country so completely that, within days, coalition air-to-air tankers regularly operated in Iraqi airspace. Other non-stealthy aircraft pummeled Iraqi airfields. An anti-radiation missile (ARM) is a missile which is designed to detect and home in on an enemy radio emission source. Typically these are designed for use against an enemy radar, although jammers and even radios used for communication can also be targeted in this manner. This sort of weapons are key to EW inventory. The word “Radiation” here refers to Electromegnetic radiation, not nuclear. The missile is the direct descendant of the Shrike and Standard ARM missiles used in Vietnam. Most ARM designs to date have been intended for use against ground-based radars. Commonly carried by specialist aircraft in the SEAD (Suppression of Enemy Air Defense) role (known to the USAF as “Wild Weasels”), the primary purpose of this type of missile is to degrade enemy air defenses in the first period of a conflict in order to increase the chances of survival for the following waves of strike aircraft. They can also be used to quickly shut down unexpected SAM sites during a raid. Aircraft which fly with strike aircraft to protect them from enemy air defences often also carry cluster bombs and are known as a SEAD escort. The cluster bombs can be used to ensure that after the ARM disables the SAM system’s radar, the command post, missile launchers, and other components or equipment are also destroyed to guarantee the SAM site stays down.

The R-27 is manufactured in infrared-homing (R-27T), semi-active-radar-homing (R-27R), and active-radar-homing (R-27AE) versions, in both Russia and the Ukraine. The R-27 missile is carried by the Mikoyan MiG-29 and Sukhoi Su-27 fighters, and some of the later-model MiG-23MLD fighters have also been adapted to carry it.

The above account of the First Night of Operation Desert Storm was taken from the Decisive Force: Strategic Bombing in the Gulf War by Richard G. Davis. More recently, air-to-air ARM designs have begun to appear, notably the Russian Vympel R-27P. Such missiles have several advantages over other missile guidance techniques; they do not trigger radar warning receivers (conferring a measure of surprise), and they can have a longer range (since battery life of the seeker head is the limiting factor on the range of most active radar homing systems).

Electronic Support Measures

Technically ESM consists of a collection of senstive antennas designed to detect signals in different frequency bands. Often these antennas are grouped at aircraft’s wing tip pod, which allows a wide angle view without causing too much obstruction as well as to enable a fix on the signal source to obtain an accurate Dircection of Arrival (DoA) of the signal. An effective ESM system rapidly identifies the signal band and location, and determines the signal characteristics. A signal analyser then examines the signal characteristics to identify the type of transmitter and the level of threat posed. Even the most cursory of analysis can establish whether the emitter is associated with surveillance, target tracking or target engagement. This analysis can compare the signal with known emitter characteristics obtained from an intelligence database or threat library and known signal types confirmed and new emissions identified and categorised. Every signal identification is logged with date, time and intercept coordinates, along with the known or suspected platform type, and the results are stored.

ESm Pods on Nimrod: As well as providing threat information, ESM is used by maritime and battlefield surveillance aircraft as a passive or listening sensor which adds important information to other sensors. It is especially useful when tracking submarines

Signals received by the electronic support measures system may in some cases be analysed instantaneously to produce an identity for the transmitter of each signal received. Pulse width, Pulse amplitude and carrier frequency are few important parameters. The nature of the pulse shape is used to determine the particular type of transmitter. The scan rate and the pattern of the scan also provide invaluable information about the mode of the transmitter. It is possible to detect the antennas changing from scanning mode to lock-on to tracking and hence determine the threat that the transmitting station poses. As well as providing threat information, ESM is used by maritime and battlefield surveillance aircraft as a passive or listening sensor which adds important information to other sensors.

The salient signal characteristics or discriminators identified during the ESM collection and identification process includes: Signal Frequency (this is to detect the radar type), Blip/Scan ratio (to get the estimate for scan rate, sector scan width and radar bandwidth), Scan Rate, Scan Pattern (Search, track, track-while-scan (TWS) and ground-mapping (GM) modes will exhibit particular characteristics), Signal Modulation (Pulse, pulse compression, pulsed Doppler (PD), a continuous wave (CW) and other more sophisticated forms of modulation are indicative of the emitter mode(s) of operation and likely threat level) and finally Pulse Repetition Frequency (PRF).

Technical details as well as the schemetic of the ESM system can found in any dedicated military systems book, however, those who are Interested to explore more, I will strongly recommend Military Avionics Systems by Ion Mior and Allen Seabridge.

The combination of analysis of all these modes of operation and when they are employed either singly or in combination is vital to establishing the likely capabilities and intentions of a threat platform, especially when used in combination with other intelligence information. Electronic Support Measures may be employed at a strategic intelligence-gathering level using an AWACS (airborne early warning and command system) or MPA aircraft to build the overall intelligence picture and electronic order of battle (EOB). Alternatively, such information may be gathered and utilised at a tactical level using radar warning receivers (RWR), whereby information is gathered and used at the strike platform level to enable strike aircraft to avoid the most heavily defended enemy complexes during the mission.

As I mentioned earlier, this (ESM) is one element of Electronic Warfare. This is because the nature of EW warfare and devices used. The operating frequency ranges for radars are usually very broad, and no single system can cover the whole range for transmission or reception. Hence, most communications and radar systems are designed for use in specific bands. These bands are usually designated by international convention. The main role of electronic warfare is to search these radio-frequency bands in order to gather information that can be used by intelligence analysts or by front-line operators. The information gained may be put to immediate effect to gain a tactical advantage on the battlefield; it may be used to picture the strategic scenario in peace time, in transition to war, or during a conflict. It may also be used to devise countermeasures to avoid a direct threat or to deny communications to an enemy. It must also be observed that such tactics are deployed by all sides in a conflict – in other words, the listeners are themselves being listened to.

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Filed under AAR Corporation, AARGM, Afghanistan, AGm-113 Hellfire, AGM-154 JSOW, Agusta Westland, Air Defence, Anti-Radiation Missiles, ASN Technology, ASN-229A UAV, Asymmetric Weapons, AWACS, Black Hawk, BQm-34, CIA, Cold War, Direct Energy Warfare, Direct Energy Weapons, Electromagnectic Pulses, Electromagnetic Spectrum, F-117, F/A-18, HARM, Lockheed Martin, Lockheed martin F-16, MH-53, MH-53 Pave, NATO, Navy tactical air-launched decoys, Northrop-Grumman, Operation Desert Storm, People Liberation Army, R-27, RAF Nimrod, RSAF, S-400 missiles, Sea King, SEAD, Sukhoi, Sukhoi PAK-FA, Sukhoi Su-33, surface-to-air missile, TALD, Tommahawk missiles, U.S Marines, US Department of Defense, US Navy, USMC, USS Kitty Hawk, Vietnam War, Wild Weasels

Iran: Prioritizing Sky Defences

Don’t listen to those who speak of democracy. They all are against Islam. They want to take the nation away from its mission. We will break all the poison pens of those who speak of nationalism, democracy, and such things. [Ayatollah Ruhollah Khomeini]

Before the 1979 Islamic Revolution, Iran’s air forces were considered second only to Israel in the Middle East, built up by aid from the country’s then-ally the United States.

GENEVA: World powers held their first meeting in 14 months with Iran over its disputed nuclear programme on Monday (today), sounding out Tehran’s intentions after it claimed to have taken a new step in making fissile material. Just a day ahead of the talks, Tehran raised the stakes by revealing that it had mined and produced its first home-grown batch of uranium yellowcake instead of seeking to import new supplies. On the other hand, In military maneuvers and air shows, Iran has been proudly touting advances in its air forces and defenses, including radar systems, anti-aircraft batteries and new attack and reconnaissance drones. Air superiority is seems to be a new priority for Iran, who is trying to quickly bolster its ability to patrol its skies in the belief that US or Israeli warplanes or missiles could strike its nuclear facilities. For the most part, Iran’s air attack capabilities still depend heavily on domestically modified versions of long-outdated warplanes, including former Soviet MiGs and American F14A Tomcats from the 1970s, and its anti-aircraft batteries and drones.

Taking the air defences further, It was not a long ago when Iran kicked off one of its periodic air defense exercise, in order to protect their nuclear sites. Started on 16th November, the exercise lasted five days and featured Iran’s elite Islamic Revolutionary Guards Corps (IRGC) and its paramilitary Basij forces joining in. Interestingly, The monitoring network of Iran’s air defense forces has discovered 194 previously unknown flying routes outside the country’s airspace, not only that Iranian Air Defense Forces has identified 1,612 flying routes (4 unknowns within the countary) inside the country, some are currently used by countary’s civilian airline industry. This identification resulted, during Iran’s Air Defence and Missile System tests, conducted same week. This air defence exercise was named Defenders of the Sky of Vellayat III. More about S-300 missiles and defence of Islamic skies can be read HERE .

This photo released by the Iranian army, claims to show the launching of a Shahin missile in armed forces war games, outside the city of Semnan about 140 miles (240 kilometers) east of the capital Tehran, Iran, Thursday, Nov. 18, 2010

Still, Iran clearly is trying to close security gaps around nuclear sites – including Iran’s main uranium enrichment lab – and blunt the edge that the Pentagon and Israel gain from drone technology. Iranian commanders now view drones as a critical tool, including to monitor the US 5th Fleet based across the Gulf in Bahrain. Iran’s other military emphasis has been improving its long-range missile program. Washington believes Iran may have obtained advanced missiles from North Korea, known as BM-25, which could extend the strike range for Iran from the known 1,200 miles (1,900 kilometers) to up to 2,400 miles (4,000 kilometers), according to State Department cables obtained by the website WikiLeaks and made public Sunday. Such missiles could hit well beyond Iran’s top regional enemy Israel and into Europe or Russia. Iran restructured its military last year in an effort to improve its air defenses. Supreme Leader Ayatollah Ali Khamenei ordered a new branch to be split off from the air force to deal exclusively with threats to the country’s airspace. Since then, Iran has invested heavily in advances in surveillance and attack drones.

In August, Iranian President Mahmoud Ahmadinejad unveiled the latest addition to the country’s drone fleet: a 13-foot-long (four-meter-long) unmanned aircraft — called the “ambassador of death” — which can carry up to four cruise missiles with a claimed range of 620 miles (1,000 kilometers). At least two other Iranian nuclear scientists have been killed in recent years, one of them in an attack similar to the recent one. Iranian officials said they suspected the assassination was part of a covert campaign aimed at damaging the country’s nuclear program, which the United States and its allies says is intended to build a weapon, a claim Tehran denies. President Mahmoud Ahmadinejad told a press conference that ”undoubtedly, the hand of the Zionist regime and Western governments is involved in the assassination.” But he said the attack would not hamper the nuclear program and vowed that one day Iran would take retribution. ”The day in the near future when time will come for taking them into account, their file will be very thick,” he said.

As far as drones are concerned Iranians has seen what USA has done iin Pakistan and Afghanistan. Many analysts believe a longer-range drone is the logical next step of Iran – who is investing heavily in advances in surveillance and attack drones. What is the purpose of these activities and advances, while still holding onto the outdated militray technology, or is it political to show that they can defend themselves, exert power in the region?

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Filed under AGm-113 Hellfire, AGM-154 JSOW, Anti Aircraft Artillery, Asia's New SAMs, ASN Technology, ASN-229A UAV, ATAK, Ballistic missiles, Drone Technology, Drones, Global Aviation, Global Times, Information Operations, Iran, Iran's Air Defence and Missile System, Iranian Defense Ministry, Iraq, ISI, Islamic Revolutionary Guards Corps, Israel, Pakistan, S-300 Missiles, S-400 missiles, SD-10 Missile, Taliban, Tehran, Terror Free Tomorrow, U.S Marines, UAV, War on Terror

Boeing A160 – VTOL UAVs Comes to Age

FARNBOROUGH 2010: Boeing A160 Hummingbird

Farnborough 2010 (July.10) Boeing – A US aerospace company’s massive showing, included its own unmanned air vehicle pavilion. With an 11m (36ft) rotor diameter nearly as wide as the 10.7m autonomous helicopter is long, it is larger than other vertical take-off UAVs. But weighing in at 1,135kg (2,500lb), with its largely composite frame, it is also lighter, making up for the fact that it carries 45kg more than its weight in fuel. However, what makes the A160 unique is not something visible in its low-drag, reduced radar profile silhouette.

In conventional helicopters, the revolutions per minute of the rotors is normally locked in for a maximum forward speed, given weight and altitude considerations. At maximum forward speed, the tip of the advancing blade moves at speeds slightly under Mach 1, avoiding the drag and vibration seen at higher speeds. But being locked into a constant maximum rotor RPM also means that anything less that maximum forward speed – a hover, low-speed forward flight – the rotor is moving far faster than actually necessary, wasting fuel and creating drag, shortening the helicopter’s range. Humming Bird so far managed to fly at the speed of 165kt (305km/h) – with a service ceiling of between 20,000ft and 30,000ft and a range of around 2,500nm (4,620km). It is its blades that makes it unique, for range and speed compared to other in its class. For A160, the stiffness and cross-section of the rotor blades vary along their length. The low-loading hingeless design allows for changing RPMs to optimise efficiency at different speeds and altitudes. The Hummingbird has come a long way since the diesel-powered, variable-speed rotor experiment that was awarded a 30-month technology demonstration contract in March 1998. The first true Hummingbird prototype, a three-bladed design, debuted in December 2001 and had its first forward flight the following month at former US Air Force base at Victorville, California, using a Subaru engine.

In September 2003, DARPA awarded Frontier a $75 million contract for the design, development and testing of four A160s. By May 2004, Boeing had purchased Frontier from Karem. In August 2005, Frontier Systems – now a Boeing subsidiary – received a $50 million contract from the Naval Air Warfare Center Aircraft Division to examine the affordability of long-range VTOL UAVs for payload delivery. With no orders on the books, Boeing made the decision in late 2009 to put the helicopter into production, an unusual move in a business where manufacturers usually wait for a contract award or at least a military requirement before opening production. The A160 has already demonstrated its ISR capabilities to the US Army, as far back as 2008, at an annual C4ISR exercise at Fort Dix in New Jersey. Operating at the army’s Class IV UAV for the exercise, the Hummingbird integrated five different payloads for the event, Lavoranda says, including a 380mm (15in) Wescam electro-optical/infrared sensor ball and two mini tactical common datalink transceivers used to downlink full motion video from the EO/IR sensor Rover terminals to both mounted and dismounted troops with Rover terminals. The Hummingbird also proved its role as a communications relay, keeping two Humvees in contact when they moved out of the line of sight. In March, during six flights in two days, the A160 demonstrated its autonomous cargo delivery capabilities to the Marines, Wattam says, consistently delivering sling-loaded cargo within 1.2m of the target drop site. Furthermore, the A160’s proprietary, portable ground control system makes it possible to deliver cargo without a trained UAV pilot at the delivery site. After the UAV flies its pre-planned route, it stops and orbits until someone at the forward delivery location instructs it, with the touch of a button, to proceed to the inbound delivery point. Once there, another click tells it to hover over the delivery point. Adjustments can be made within a 1km range of the original delivery site before instructing the Hummingbird to lower its load, release the cable and head home on its predetermined path.

Unmanned Cargo Resupply Contract

K-MAX unmanned aircraft

According to the Sources Lockheed, together with manufacturer Kaman Aerospace, will get $45.8 million to operate the K-Max – who is copable of carrying 2721.6kg (6,000lbs) of cargo at sea level and more than 1,814.3kg (4,000lbs) at 10,000ft – while Boeing will receive $29.2 million to use its A160T Hummingbird to deliver cargo to Marines in Afghanistan. The Hummingbird, designated the YMQ-18A by the Pentagon, with its patented adjustable rotor speed technology, holds the record for endurance in its class, at 18.7h. In August 2010 the A160T Hummingbird underwent jungle test flights in Belize to test the ability of DARPA FORESTER foliage-penetrating radar to penetrate jungle cover. What makes this UAV unique is the incorporation of many new technologies – such as advance composite materials, Optimum Speed technology, ability to shift to another gear, and finally fthe uselage’s two large, stiff monocoque skins which help keep the frequency ranges of the structure outside the frequency ranges of the rotor as it changes its speeds.

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Filed under Afghanistan, Agusta Westland, ASN Technology, Attack helicopters, Boeing, Drone Technology, Drones, Flight Simulation, Global Aviation, Humming Bird, Information Operations, K-MAX, Predator, Radars, RQ-4 Global Hawk, U.S Drone Technology, U.S Marines, UAV, US Air Force, Vertical takeoff UAV

E-Bomb – Direct Energy Warfare

6th Generation Aircraft - Airforces to End the Desire for Pilots

The rules of battle have changed over the entirety of military history. Tools such as technology, strategy, tactics and weapons have been the principal elements determining what kind of rules apply to the battlefield. What can consititute to a sixth generation fighter jets – Thats the question I am asking myself since past week. Although it might be too early to think of these questions, when even planes like JSf, PAK-FA or F-22 are not even fully opertional. The contemporary military rivalry is driven mostly by the ongoing military technical revolution. In particular, the weapons used on the future battlefield will play an important role in military affairs. Which weapons can play a key role in the future? I will try not to be too technical, such that the article is applicable to general public as well, however, I have included the research papers and appropriate links for those intending to explore more about E-Bombs or Electromagnetic Weapon Systems.

Sixth generation jet fighters are currently conceptual and expected to enter service in the United States Air Force and United States Navy in 2025-2030 timeframe. The technological characteristics may include the combination of fifth generation aircraft capabilities with unmanned capibility, unrefueled combat radius greater than 1000 nm and Direct Energy Weapon. It is latter which is a subject of this article. One form of this energy is Electronic Bomb (E-Bomb). This article aim to explore the technical aspects and potential capabilities of this type of bomb, target measurements and its comparison with other form of electromagnectic weaponry.

Research has shown that it is possible to develop such kind of device. Directed Energy research originated with research work done to determine the impact to important military systems operating in harsh electromagnetic environments. One of the most threatening and pervasive of all electromagnetic threats is that due to electromagnetic pulse.

These pulses can burst of electromagnetic radiation that results from an explosion (usually from the detonation of a nuclear weapon) and/or a suddenly fluctuating magnetic field. However, its not only the nuclear weapon who generates these pulses, Non-nuclear electromagnetic pulse (NNEMP) is an electromagnetic pulse generated without use of nuclear weapons. There are a number of devices that can achieve this objective, ranging from a large low-inductance capacitor bank discharged into a single-loop antenna or a microwave generator to an explosively pumped flux compression generator. To achieve the frequency characteristics of the pulse needed for optimal coupling into the target, wave-shaping circuits and/or microwave generators are added between the pulse source and the antenna. A vacuum tube particularly suitable for microwave conversion of high energy pulses is the vircator. These HEMP induced stresses can damage or severely disrupt some electronic systems, which are sensitive to transient disturbance. Significant potential damaging effects can occur at long ranges to virtually all systems located within line-of-sight of the detonation point. Thus it is feasible to say, that NNEMP generators can be carried as a payload of bombs and cruise missiles, allowing construction of electromagnetic bombs with diminished mechanical, thermal and ionizing radiation effects and without the political consequences of deploying nuclear weapons.

The fact that an electromagnetic pulse is produced by a nuclear explosion was known since the earliest days of nuclear weapons testing, but the magnitude of the EMP and the significance of its effects were not realized for some time. As a result of the test, a very short but extremely intense electromagnetic pulse was observed. This pulse propagated away from its source with a decreasing intensity, which is also to be expected according to the theory of electromagnetism.

According to the CBS reports dated March 2003 stated the application of experimental EM Pulse:

The U.S. Air Force hit Iraqi TV with an experimental electromagnetic pulse device called the “E-Bomb” in an attempt to knock it off the air and shut down Saddam Hussein’s propaganda machine. The highly classified bomb created a brief pulse of microwaves powerful enough to fry computers, blind radar, silence radios, trigger crippling power outages and disable the electronic ignitions in vehicles and aircraft. Officially, the Pentagon does not acknowledge the weapon’s existence.

Direct Energy Warfare

Military action involving the use of directed-energy weapons, devices, and countermeasures to either cause direct damage or destruction of enemy equipment, facilities, and personnel, or to determine, exploit, reduce, or prevent hostile use of the electromagnetic spectrum through damage, destruction, and disruption. The defensive part of Electronic Warfare includes the offensive actions such as preventing the enemy’s use of the electromagnetic spectrum through counter measures such as damaging, disrupting, or destructing the enemy’s electromagnetic capability. Such weaponry (DEW) is an evolving addition to the EW.

Characteristics of Direct Energy Weapons

The most common characteristics of the direct energy weapons is that they attack at the Speed of Light. This pose some advantage over conventional weaponry, This helps in defeating targets
such as theater and ballistic missiles before they can deploy defense-saturating sub-munitions. Another advantage of such weapons is that they can be used against multiple targets at the same time. The direct energy weapons are classified into four catagories; High Power Microwave (HPM), Charged Particle Beams (CPB), Neutral Particle Beams (NPB) and High Energy Laser (HEL). It is the latter which is highly potential for military applications (both stratagic and tactical missions). However, for E-Bomb it is HPM is a base. But offcourse when compared to Laser technology, the microwave technology lags in terms of research. HPM – use electromagnetic radiation to deliver heat, mechanical, or electrical energy to a target to cause various, sometimes very subtle, effects. When used against equipment, directed electromagnetic energy weapons can operate similarly to omnidirectional electromagnetic pulse (EMP) devices, by inducing destructive voltage within electronic wiring. The difference is that they are directional and can be focused on a specific target using a parabolic reflector. High-energy radio frequency weapons (HERF) or high-power radio frequency weapons (HPRF) use high intensity radio waves to disrupt electronics. However, High and low power, Pulsed Microwave devices use low-frequency microwave radiation which can be made to closely mimic and interact with normal human brain waves having similar frequencies. Although belong to the same family of technology, the E-Bomb deployment differes from that of HPM.

Potential for Aircraft Operations

Scleher, D. Curtis in Electronic warfare in the information age, has defined the potential of these kind of weapons for Aircraft Operations. DEWs have great potential for aircraft operations since crews can enhance their own survivability in the battlefield, where the aircrafts are susceptible and vulnerable to missile threats, by protecting themselves with electromagnetic shields. In such environment, DEW systems may prevent the aircraft from threats by decreasing the detection and targeting capability of enemy. They may also aid in hit avoidance by deflecting, blinding, or causing the incoming missile to break lock and finally, where necessary, to destroy the missile itself before it reaches its target. An additional approach might be to defeat the fusing system of the incoming missile. However, when deploying these bombs, getting the projectile successfully right is the key, such that useful damage can be produced. Further information about the deployment of these DEWs can be accessed from Electronic warfare in the information age. By this stage one difference between HPM and E-bomb is apparanet, despite belonging to same technological family, and this difference is their deployment. HEMP – High Altitude Electromagnetic Pulse is not a directed energy weapon. The reason why HEMP is defined as an electromagnetic weapon is that it produces similar effects in electromagnetic spectrum and can cause similar impacts on electronic devices. The potential effects of a designed HPM weapon strongly depends on the electromagnetic properties of the target. Since it is difficult to get the required intelligence, the complexity of real systems poses technical difficulties. A typical HPM weapon system basically includes a prime source that generates the intended power, an RF generator, a system that shapes and forms the wave into the intended form, a waveguide through which the generated wave travel, an antenna that propagated the wave, and the control unit that manages all the steps.

AGM-154 Joint Standoff Weapon l

Delivery system considerations for E-bombs are very important. The massed application of such electromagnetic weapons in the opening phase of an electronic battle delivered at the proper instant or location can quickly lead the superiority in the electromagnetic spectrum. This package might mean a major shift from physically lethal weaponry to electronically lethal attacks (via e-bombs) as a preferred mode of operation. Potential platforms for such weapons delivery systems are AGM-154 JSOW (Joint Stand Off Weapon) glidebomb (shown above) and the B-2 bomber (shown below). The attractiveness of glidebombs delivering HPM warheads is that the weapon can be released from outside the effective radius of target air defenses, minimizing the risk to the launch aircraft, which can stay clear of the bomb’s electromagnetic effects.

B2-Bomber refueling

Another delivery method of e-bomb may be the use of UAVs. The technology of UAVs is still developing and partly immature; however, improvements can be expected in the next decade.

The e-bomb targets mission essential electronic systems such as the computers used in data processing systems, communications systems, displays, industrial control applications, including road and rail signaling, and those embedded in military equipment, such as signal processors, electronic flight controls and digital engine control systems. I must point out that when e-bomb outputs are too weak to destroy these systems but strong enough to disrupt their operations, system performance can be degraded. The relation between the altitude (shown below) where the e-bomb is detonated and a representation of the lethality range. Target information (to include location and vulnerability) becomes an important issue.

E-Bomb Footprint: Source <a href="http://cryptome.org/ebomb.htm/">Carlo Kopp</a>

E-Bomb – Science Fiction or a Fact?

Sor, can this hypothetical e-bomb be a significant weapon for the future battlefield? Theoratically, the military advantage obtainable with e-bombs is related mostly to their operational significance. Will future battlefields will be won by the countries that best manage the revolution in military affairs or technological revolution? If latter is the case, then one has to remind himself that technology is not a winner on its own, but it has been, and it will continue to be, a critical enabler. If everything else is equal, the side with better technology will win. Finally, can the country that first develops this new weapon have a significant and exploitable military advantage against other powers? Is is feasible for a nation to invest in this kind of bomb ? – The Debate Continues

As I have mentioned earlier, this piece is not research but infact just collection of some work, to explore the potential of EM technology in modern warfare as well as extending our previous discussion of Electronic Warfare For further reading about the subject I strongly suggest to read the following researches

References
Kopp, C. 1993. A doctrine for the use of electromagnetic pulse bombs. Air Power Studies Centre. Paper No. 15.
Kopp, C. 1996. An introduction to the technical and operational aspects of the electromagnetic bomb. Air Power Studies Centre. Paper No. 50.
Kopp, C. 2006. Directed Energy Weapons-Part 1. Defense Today May/June Publication.
Mazarr, Michael J. 1993. Military Technical Revolution-A Structural Framework. Center for Strategic and International Studies. Washington, D.C.
Scleher, D. Curtis. 1999. Electronic warfare in the information age. Boston: Artech House.

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Electronic Warfare Operations – Part I

O divine art of subtlety and secrecy! Through you we learn to be invisible, through you inaudible; and hence hold the enemy’s fate in our hands. – Sun Tzu (The Art of War)

Wedgetail Flares Test

The advant of technology and understanding the control of electronmagnetic specturm (EM) has taken the description of warfare to another level. Modern military forces rely heavily on a variety of complex, high technology, electronic offensive and defensive capabilities. EW is a specialized tool that enhances many air and space functions at multiple levels of conflict. Modern weapons and support systems employ radio, RADAR, infrared, laser, optical and electro-optical technologies. Modern military systems, such as the E-8C joint surveillance, target attack radar system (JSTARS), rely on access to the electromagnetic spectrum to accomplish their missions. So what exactly Electronic Warfare is?

EW is any military action involving the use of the EM spectrum to include directed energy (DE) to control the EM spectrum or to attack an enemy. This is not limited to radio or radar frequencies but includes IR, visible, ultraviolet, and other less used portions of the EM spectrum. As giving air and ground forces a superiority – the application of EW was seen in Operation Desert Storm (Gulf War) – Where self-protection, standoff, and escort jamming, and antiradiation attacks, significantly contributed to the Air Force’s success. Within the information operations (IO) construct, EW is an element of information warfare; more specifically, it is an element of offensive and defensive counterinformation. Electronic Warfare comprises of three main components: Electronic Attack – Electronic Protection – and finally Electronic Warfare Support, all includes the integrated Information Operations (IO).

Key to Electronic Warfare success is the control of Electromagnetic Spectrum Control. This is usually achieved by protecting friendly systems and attacking adversary systems. In reference to above mentioned three components of EW – Electronic Attack, limits adversary use of the electronic spectrum; – Electronic Protection – protects the use of the electronic spectrum for friendly forces, and Electronic Warfare Support – enables the commander’s accurate estimate of the situation in the operational area. All three must be carefully integrated to be effective. Friendly forces must prepare to operate in a nonpermissive EM environment and understand EW’s potential to increase force effectiveness.

Electronic Warfare for Air Forces

Air Force electronic warfare strategy embodies the art and science of employing military assets to improve operations through control of the EM spectrum. An effective EW strategy requires an integrated mix of passive, disruptive, and destructive systems to protect friendly weapon systems, components, and communications-electronics systems from the enemy’s threat systems. During the Gulf War, EF-111 RAVENS were used successfully against Iraqi radars and communications facilities. Conflicts in Vietnam and the Middle East provided deadly reminders of the necessity for effective EW against advanced threats and of the intense effort required to counter these threats. Current technology has given rise to new enemy capabilities, which includes the use of microwave and millimeter wave technologies, lasers, electro-optics, digital signal processing, and programmable and adaptable modes of operation.

Douglas B-66 Destroyer during Vietnam War

During the Vietnam War EB-66 was used against terminal threat radars, surface to air missiles (SAM) and anti aircraft artillery (AAA) as well as used as stand-off jamming platforms. EB-66 modified version of U.S light bomber B-66 Destroyer (shown above). The RB-66C was a specialized electronic reconnaissance and ECM aircraft with an expanded crew of seven, including additional electronics warfare experts. A total of 36 of these aircraft were built with the additional crew members housed in what was the camera/bomb bay of other variants. RB-66C aircraft had distinctive wingtip pods and were used in the vicinity of Cuba during the Cuban Missile Crisis and later over Vietnam. In 1966, these were redesignated EB-66C. After the retirement of B-66, General Dynamics/Grumman EF-111A (shown below) Raven came to play the role. EF-111A Raven was an electronic warfare aircraft designed to replace the obsolete B-66 Destroyer in the United States Air Force. Its crews and maintainers often called it the “Spark-Vark”, a play on the F-111’s “Aardvark” then nickname.

An EF-111A Raven aircraft supplies radar jamming support while enroute to Eglin Air Force Base during the multi-service Exercise SOLID SHIELD '87.

EF-111A achieved initial operational capability, in 1983 EF-111s first saw combat use with the 20th Tactical Fighter Wing at RAF Upper Heyford during Operation El Dorado Canyon in 1986 (retaliatory attack on Libya), Operation Just Cause in 1989. The EF-111A served in Operation Desert Storm in 1991. On 17 January 1991, a USAF EF-111 crew: Captain James Denton and Captain Brent Brandon (“Brandini”) archived an unofficial kill against an Iraqi Dassault Mirage F1, which they managed to maneuver into the ground, making it the only member of the F-111/FB-111/EF-111 family to achieve an aerial victory over another aircraft.

Operational Concepts

The effective application of electronic warfare in support of mission objectives is critical to the ability to find, fix, track, target, engage, and assess the adversary, while denying that adversary the same ability. Planners, operators, acquisition specialists, and others involved with Air Force EW must understand the technological advances and proliferation of threat systems in order to enable friendly use of the EM spectrum. To control is to dominate the EM spectrum, directly or indirectly, so that friendly forces may exploit or attack the adversary and protect themselves from exploitation or attack. Electronic warfare has offensive and defensive aspects that work in a “movecountermove” fashion. To exploit is to use the electromagnetic spectrum to the advantage of friendly forces. Friendly forces can use detection, denial, disruption, deception, and destruction in varying degrees to impede the adversary’s decision loop. For instance, one may use electromagnetic deception to convey misleading information to an enemy or use an enemy’s electromagnetic emissions to locate and identify the enemy. To enhance is to use EW as a force multiplier. Careful integration of EW into air and space operations will detect, deny, disrupt, deceive, or destroy enemy forces in varying degrees to enhance overall mission effectiveness. Through proper control and exploitation of the EM spectrum, EW functions as a force multiplier and improves the likelihood of mission success.

Billion Dollar Market For Electronic Warfare

Forecast International’s “The Market for Electronic Warfare Systems” projects an estimated $28.4 billion will be spent over the next 10 years on the development and production of the major EW systems. Some 44,807 units of leading Electronic Countermeasures (ECM), Radar Warning Receivers (RWRs), Electronic Support Measures (ESM), and other EW systems that make up this analysis will be produced. The top-ranked EW producers cited in the analysis (out of a total of 22 companies considered) are Northrop Grumman, BAE Systems, Raytheon, ITT, and Lockheed Martin. While production of leading missile countermeasures systems has helped position some of these companies at the top of the ranking, others are leading the development of all-important, next-generation technology. It is important to add that today’s EW market leaders are firmly established because of their ability to provide much-needed EW systems for immediate deployment to the battlefield. To cite just one example, despite some defense budget tightening, the Pentagon is expected to spend over $560 million through FY13 on procurement of Northrop Grumman’s Large Aircraft Infrared Countermeasures (LAIRCM) system for various Air Force aircraft. The service has declared that its long-range desire is to equip a total of 444 aircraft with the system. The market for systems to defeat improvised explosive devices (IEDs) will also warrant close monitoring in the years ahead. With the recent surge of U.S. troops into Afghanistan, there has also been an increase in the occurrence of IED attacks. To counter these attacks, a competition is currently under way for development of a Counter Radio-Controlled Improvised Explosive Device (RCIED) Electronic Warfare (CREW) 3.3 system of systems. The U.S. Naval Sea Systems Command in October 2009 awarded firm-fixed-price contracts to two companies for CREW 3.3 System of Systems development. ITT Force Protection Systems was awarded $16 million, while Northrop Grumman Space and Mission Systems, Network Communication Systems was awarded $24.3 million. International ventures will also have a significant impact on the EW market through the new decade. The primary platform for ITT’s ALQ-214 Radio Frequency Countermeasures (RFCM) system is the U.S. Navy’s F/A-18E/F Super Hornet. Through its association with the jet fighter, a potentially growing export market for the ALQ-214 has begun to emerge. For example, the system will equip the F/A-18Fs purchased by Australia a stopgap measure until its F-35 fleet is ready for service.

I will continue the implementation and integration of three major components of Electronic Warfare in my next post. Please do check back

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War Toys: Artificial Intelligence on Battlefield

Humanity at High-Tech

The following article was published in New York Times (27 November), written by John Markoff and can be accessed HERE As I highlighted the importance of unmanned vehicles in modern warefare, and use of electronic warefare equipment – this article highlighting the application of Artificial Intelligence (A.I) takes the discussion further by introducing the How Robots can win War for humans (if they can). Althogh it will not be fair to undermine the potential of human on war-ground, but a combination of drones in air, and robots on ground may serve the purpose well. However, one must not neglect the ethics involved, warefare rules and most important of all laws of Robotics.

While smart machines are already very much a part of modern warfare, the Army and its contractors are eager to add more. New robots — none of them particularly human-looking — are being designed to handle a broader range of tasks, from picking off snipers to serving as indefatigable night sentries. In a mock city here used by Army Rangers for urban combat training, a 15-inch robot with a video camera scuttles around a bomb factory on a spying mission. Overhead an almost silent drone aircraft with a four-foot wingspan transmits images of the buildings below. Onto the scene rolls a sinister-looking vehicle on tank treads, about the size of a riding lawn mower, equipped with a machine gun and a grenade launcher. Three backpack-clad technicians, standing out of the line of fire, operate the three robots with wireless video-game-style controllers. One swivels the video camera on the armed robot until it spots a sniper on a rooftop. The machine gun pirouettes, points and fires in two rapid bursts. Had the bullets been real, the target would have been destroyed.

“One of the great arguments for armed robots is they can fire second,” said Joseph W. Dyer, a former vice admiral and the chief operating officer of iRobot, which makes robots that clear explosives as well as the Roomba robot vacuum cleaner. When a robot looks around a battlefield, he said, the remote technician who is seeing through its eyes can take time to assess a scene without firing in haste at an innocent person. Yet the idea that robots on wheels or legs, with sensors and guns, might someday replace or supplement human soldiers is still a source of extreme controversy. Because robots can stage attacks with little immediate risk to the people who operate them, opponents say that robot warriors lower the barriers to warfare, potentially making nations more trigger-happy and leading to a new technological arms race. “Wars will be started very easily and with minimal costs” as automation increases, predicted Wendell Wallach, a scholar at the Yale Interdisciplinary Center for Bioethics and chairman of its technology and ethics study group.

Civilians will be at greater risk, people in Mr. Wallach’s camp argue, because of the challenges in distinguishing between fighters and innocent bystanders. That job is maddeningly difficult for human beings on the ground. It only becomes more difficult when a device is remotely operated. This problem has already arisen with Predator aircraft, which find their targets with the aid of soldiers on the ground but are operated from the United States. Because civilians in Iraq and Afghanistan have died as a result of collateral damage or mistaken identities, Predators have generated international opposition and prompted accusations of war crimes. But robot combatants are supported by a range of military strategists, officers and weapons designers — and even some human rights advocates.

“A lot of people fear artificial intelligence,” said John Arquilla, executive director of the Information Operations Center at the Naval Postgraduate School. “I will stand my artificial intelligence against your human any day of the week and tell you that my A.I. will pay more attention to the rules of engagement and create fewer ethical lapses than a human force.” Dr. Arquilla argues that weapons systems controlled by software will not act out of anger and malice and, in certain cases, can already make better decisions on the battlefield than humans.

“Some of us think that the right organizational structure for the future is one that skillfully blends humans and intelligent machines,” Dr. Arquilla said. “We think that that’s the key to the mastery of 21st-century military affairs.” Automation has proved vital in the wars America is fighting. In the air in Iraq and Afghanistan, unmanned aircraft with names like Predator, Reaper, Raven and Global Hawk have kept countless soldiers from flying sorties. Moreover, the military now routinely uses more than 6,000 tele-operated robots to search vehicles at checkpoints as well as to disarm one of the enemies’ most effective weapons: the I.E.D., or improvised explosive device.

Yet the shift to automated warfare may offer only a fleeting strategic advantage to the United States. Fifty-six nations are now developing robotic weapons, said Ron Arkin, a Georgia Institute of Technology roboticist and a government-financed researcher who has argued that it is possible to design “ethical” robots that conform to the laws of war and the military rules of escalation. But the ethical issues are far from simple. Last month in Germany, an international group including artificial intelligence researchers, arms control specialists, human rights advocates and government officials called for agreements to limit the development and use of tele-operated and autonomous weapons.

The group, known as the International Committee for Robot Arms Control, said warfare was accelerated by automated systems, undermining the capacity of human beings to make responsible decisions. For example, a gun that was designed to function without humans could shoot an attacker more quickly and without a soldier’s consideration of subtle factors on the battlefield. “The short-term benefits being derived from roboticizing aspects of warfare are likely to be far outweighed by the long-term consequences,” said Mr. Wallach, the Yale scholar, suggesting that wars would occur more readily and that a technological arms race would develop.

As the debate continues, so do the Army’s automation efforts. In 2001 Congress gave the Pentagon the goal of making one-third of the ground combat vehicles remotely operated by 2015. That seems unlikely, but there have been significant steps in that direction. For example, a wagonlike Lockheed Martin device that can carry more than 1,000 pounds of gear and automatically follow a platoon at up to 17 miles per hour is scheduled to be tested in Afghanistan early next year. For rougher terrain away from roads, engineers at Boston Dynamics are designing a walking robot to carry gear. Scheduled to be completed in 2012, it will carry 400 pounds as far as 20 miles, automatically following a soldier.

The four-legged modules have an extraordinary sense of balance, can climb steep grades and even move on icy surfaces. The robot’s “head” has an array of sensors that give it the odd appearance of a cross between a bug and a dog. Indeed, an earlier experimental version of the robot was known as Big Dog. This month the Army and the Australian military held a contest for teams designing mobile micro-robots — some no larger than model cars — that, operating in swarms, can map a potentially hostile area, accurately detecting a variety of threats. Separately, a computer scientist at the Naval Postgraduate School has proposed that the Defense Advanced Research Projects Agency finance a robotic submarine system that would intelligently control teams of dolphins to detect underwater mines and protect ships in harbors.

“If we run into a conflict with Iran, the likelihood of them trying to do something in the Strait of Hormuz is quite high,” said Raymond Buettner, deputy director of the Information Operations Center at the Naval Postgraduate School. “One land mine blowing up one ship and choking the world’s oil supply pays for the entire Navy marine mammal program and its robotics program for a long time.” Such programs represent a resurgence in the development of autonomous systems in the wake of costly failures and the cancellation of the Army’s most ambitious such program in 2009. That program was once estimated to cost more than $300 billion and expected to provide the Army with an array of manned and unmanned vehicles linked by a futuristic information network. Now, the shift toward developing smaller, lighter and less expensive systems is unmistakable. Supporters say it is a consequence of the effort to cause fewer civilian casualties. The Predator aircraft, for example, is being equipped with smaller, lighter weapons than the traditional 100-pound Hellfire missile, with a smaller killing radius.

Remotely controlled systems like the Predator aircraft and Maars move a step closer to concerns about the automation of warfare. What happens, ask skeptics, when humans are taken out of decision making on firing weapons? Despite the insistence of military officers that a human’s finger will always remain on the trigger, the speed of combat is quickly becoming too fast for human decision makers. “If the decisions are being made by a human being who has eyes on the target, whether he is sitting in a tank or miles away, the main safeguard is still there,” said Tom Malinowski, Washington director for Human Rights Watch, which tracks war crimes. “What happens when you automate the decision? Proponents are saying that their systems are win-win, but that doesn’t reassure me.”

Humanity at High-Tech

Robotics going at war doesn’t make sense to me, the whole idea of robots playing a meaningful role in a contemporary conflict is just sounds ridiculous – but apparently its not. A video based journey Humanity at High-Tech was compiled by Red Cross, who tend to believe that robots are playing an increasingly prominent role in modern conflict and throwing up all kinds of tricky ethical questions and dilemmas. The modern battlefield is changing beyond measure, from the Green Berets to Starship Troopers in the space of just 50 years. Who knows where we’re heading next? The whole idea of implementation and integration of Artificial Intelligence within battlefield will be in my next post.

Author: John Markoff

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