Suppression of Enemy Air Defenses

Suppression of Enemy Air Defenses (SEAD), also known as "Wild Weasel" and "Iron Hand" operations in the United States, are military actions to suppress enemy surface-based air defenses, including not only surface-to-air missiles (SAMs) and anti-aircraft artillery (AAA) but also interrelated systems such as early-warning radar and command, control and communication (C3) functions, while also marking other targets to be destroyed by an air strike. Suppression can be accomplished both by physically destroying the systems or by disrupting and deceiving them through electronic warfare. In modern warfare SEAD missions can constitute as much as 30% of all sorties launched in the first week of combat and continue at a reduced rate through the rest of a campaign.[1] One quarter of American combat sorties in recent conflicts have been SEAD missions.[2]

History

Pre-Vietnam War

Prior to the Vietnam War, SEAD was an undefined mission: although attempts to destroy enemy air defense sites were undertaken, they were done so on an individual aircraft basis and in relation to specific targets or operations rather than as part of an overall strategy or doctrine of defense suppression.[3] While crude, these tactics were effective for their time.[4]

World War II

During the Battle of Britain, the German Luftwaffe attempted to destroy Great Britain's Chain Home radar stations in order to degrade the British air defense network. However, German High Command failed to realize the efficiency of not only the radar stations themselves but the command and control system directing Britain's air defenses. After initial optimism regarding the radar sites' destruction, it was eventually decided to halt these attacks altogether except for exceptional circumstances.[5] As the air war in Europe shifted in favor of the Allies, the Germans relied heavily on their AAA to defend against bombing attacks. This was borne out in Allied aircraft losses between 1943 and 1944, where losses to enemy fighters was cut in half but losses to flak increased tenfold.[6]

Understanding the importance of Germany's radar sites, the Allies directed attacks against these installations and introduced new technology to counteract the effects of radar-directed AAA, including CARPET (US) and WINDOW (UK). A change in tactics saw bomber formations flying higher and more spread out to avoid the effects of flak. Bombing missions were also carried out to accomplish the physical destruction of AAA sites, using imagery intelligence to locate the weapons and employing both heavy bombers and fighter-bombers to destroy them. The P-47 Thunderbolt in particular was chosen for this task due to its ability to survive enemy fire. The effect of these missions varied, with losses suffered by fighter-bombers much higher—up to 40% in some cases—on account of their low-altitude attacks.[7] Artillery also played a major role in suppressing air defenses, with the British Army the first to develop what became known as counterflak or "Apple Pie" missions. These missions were first employed to limited effect during the Battle of France but matured as the war progressed. The largest SEAD mission in history took place on March 24, 1945, when artillery forces of the British XII Corps attempted to knock out the local German air defense network in support of Operation Varsity. Although twenty-four thousand artillery shells were fired over the course of twenty-two minutes at some one hundred targets, the mission was unsuccessful due to inaccurate targeting data and insufficient firepower.[8]

In the Pacific Theater, the Japanese had made only limited progress in developing radar for air defense and what systems they did have were primitive and easy to avoid. Nevertheless, as the Americans began the bombing campaign against Japan there was concern over the large number of radar sites located on the home islands. For this purpose B-24 Liberators and B-29 Superfortresses were fitted with radar-homing devices to conduct "ferret" missions to locate and identify radar transmissions. The information brought back from these missions was used to outfit other B-29s with radar jammers and chaff to confuse Japanese air defense radars as they conducted their missions.[9] B-25 Mitchells were also outfitted with radar-homing equipment and used to lead "hunter-killer" teams of other B-25s in locating and destroying Japanese early-warning radar sites.[10]

Korean War

While there were some technological changes between World War II and the Korean War, many of the tactics for dealing with enemy air defenses remained the same. For aircraft performing missions at low altitudes, AAA remained a constant danger; in fact it was less dangerous for a UNC pilot to engage in air-to-air combat than it was to attack ground targets.[11] The terrain and weather of the Korean Peninsula also contributed to the dangers associated with ground-attack missions. Nevertheless, the advent of jet aircraft brought about many changes. Compared to propeller aircraft jets were much faster, could climb more steeply, were more resistant to damage and were quieter in operation. They were thus able to more effectively attack ground targets and escape, and while both jet- and propeller-driven aircraft participated in the Korean War the latter suffered heavier losses and were largely phased out by the end of the conflict.[12]

As the war progressed, the Communists developed a highly centralized integrated air defense network, incorporating early-warning radars, ground-controlled interception (GCI) and AAA. The potency of this network compelled UNC bombers to conduct bombing missions at altitudes beyond the reach of ground-based weapons, although this impacted the accuracy of their bombs. The UNC also possessed an effective air defense network, but the North Korean Air Force had been largely destroyed early in the war and the Chinese Air Force was almost exclusively focused on the mission of air superiority rather than attacking UNC ground forces.[13]

Vietnam War

See also: Wild Weasel
An F-105G Thunderchief 'Wild Weasel' carrying AGM-45 and AGM-78 missiles taking off from Korat Royal Thai Air Force Base.

The Vietnam War saw the evolution of what would become known as SEAD over the course of the conflict. At the start of Operation Rolling Thunder, North Vietnam's air defenses were only dealt with in a piecemeal fashion, in spite of intelligence indicating that the North Vietnam Army was developing an integrated air defense system (IADS) dedicated to air deniability. This included the construction of sixty SA-2 Guideline SAM sites by the end of 1965 which, though only accomplishing one hit for every thirteen missiles fired, were responsible for shooting down nearly 15% of American aircraft lost that year. Early attempts to counter this system consisted of modified F-100 Super Sabres using crude homing equipment to locate and bomb radar-guided SAM and AAA sites, but these missions incurred heavy losses and the threat to American aircraft continued to grow.[14] In 1966 a task force was put together to analyze the challenges presented by the NVA's air defense network and recommend ways to counter it. One of these was for aircraft to operate at low altitudes (below 500 meters) where the missiles were less effective. This also put the aircraft well within range of AAA, which would account for nearly 85% of all American aircraft losses during Rolling Thunder.[15]

Eventually new SEAD-dedicated aircraft were introduced, the Air Force's EF-105F/F-105G Thunderchief and Navy's A-6B Intruder, which mounted more sophisticated detection equipment and carried the AGM-45 Shrike and AGM-78 Standard anti-radiation missiles (ARMs). These fighter-bombers became very adept at tracking down and destroying ground-based air defense weapons, such that it became common for a vast majority of NVA SAM operators to turn off their radars whenever an F-105G was spotted. While this prevented the SAM from physically being destroyed, it essentially accomplish the same mission of suppressing air defenses around the target. Electronic warfare aircraft were also used to suppress air defenses by jamming NVA radars, with first the EB-66 Destroyer joined later by the EA-6B Prowler.[15] By the end of Rolling Thunder these changes had caused a significant degradation in the effectiveness of SAMs: only one SA-2 missile out of every forty-eight fired resulted in a hit.[16] In spite of these changes, SEAD remained a primarily tactical function throughout Rolling Thunder, with American leadership either unaware or unappreciative of North Vietnam's IADS.[15]

Losses suffered by F-105 Wild Weasels spurred on the development of a new variant based on the F-4C Phantom II, the EF-4C Phantom Wild Weasel IV. The first thirty-six of these were delivered to Southeast Asia in 1969 and so missed taking part in Rolling Thunder. While carrying the same electronics as in the F-105G, the dense internal structure of the F-4 Phantom prevented the EF-4C from efficiently mounting this equipment, which meant it could not carry the superior AGM-78 Standard missile.[17][18] By the start of Operation Linebacker, Wild Weasel missions were both more and less effective. Tactics and technology had evolved which improved the suppression of individual SAM sites, however the American military still failed to consider the integrated nature of North Vietnam's air defense network. Not only did the network possess thousands of radar- and optical-guided AAA and SAM sites, it also consisted of early-warning radars, intelligence-gathering agencies, and hundreds of ground-controlled interceptors. Thus, while fewer American aircraft were lost to SAMs during Linebacker, many more were lost in air-to-air combat.[19]

Operation Linebacker II started off similarly to Linebacker I with regards to SEAD tactics but was remarkable for the introduction of B-52 Stratofortress bombers in the defense-suppression role. During the early part of the operation, a combination of poor tactical employment and overconfidence on the part of Strategic Air Command resulted in the loss of a number of B-52s to SA-2 missiles, enough to force a rethink in how to counteract the enemy's air defenses. The latter part of Linebacker II finally saw a concerted effort made to suppress the entire North Vietnamese IADS and significantly reduced the losses suffered.[20] Only one SA-2 missile for every sixty-eight fired resulted in a hit, the lowest ratio of the entire war.[16] The SEAD tactics displayed at the end of Linebacker II, involving the combination of traditional understanding of SEAD with electronic warfare and C3 countermeasures, laid the groundwork for future development.[20]

Post-Vietnam War

With the phase-out of the F-105G, the US Air Force was in need of a new SEAD-dedicated aircraft. This effort was given more urgency in 1973 when, during the Yom Kippur War, Egypt employed a Soviet-built IADS that severely mauled the Israeli Air Force. After a series of tests, the new F-4G 'Wild Weasel V' first took flight in 1975 and became operational in 1978. Built on the F-4E airframe, the F-4G removed the M61 Vulcan pod to make room for specialized detection and jamming equipment and could carry the latest anti-radiation missile, the AGM-88 HARM.[18][21] The F-4G Wild Weasel was then joined by EF-111A Raven and EC-130H Compass Call to become part of the USAF's "triad" of electronic combat aircraft. Each aircraft performed its own role in the overall mission of SEAD: the F-4G with seeking out and destroying enemy air defenses, the EC-130 with degrading the enemy's C3 capabilities, and the EF-111A with jamming enemy early-warning and target-acquisition radars. Additional aircraft often part of SEAD missions included the E-3 Sentry, EC-130E Commando Solo and RC/EC-135.[22]

On the other hand, the Soviets did not treat SEAD as an independent air operation but as a tactical role to be performed as part of a larger mission, namely an overwhelming air assault against NATO. This role was not carried out by SEAD-specific aircraft but normal bombers and fighter aircraft, such as the Tupolev Tu-16 and Tupolev Tu-22M, which could carry Soviet anti-radiation missiles. These aircraft would be organized into several strike groups whose mission was to lay down "chaff corridors" 40–50 kilometers across at intervals of 10 kilometers, including directly on top of suspected SAM sites. A small number of aircraft in these groups would be equipped with ARMs to physically destroy the sites. These missions were conducted against pre-planned targets which had been previously identified by signals intelligence and other reconnaissance efforts, rather than having aircraft seek out targets of opportunity. The closest the Soviets came to dedicated SEAD platforms were modified stand-off interceptors like the Mikoyan MiG-25BM and attack aircraft like the Sukhoi Su-24M.[23]

An A-7E of VA-72 aboard the USS America (CV-66) prior to Operation El Dorado Canyon. It is armed with AGM-45 Shrike ARMs and Mk-20 Rockeye II cluster bombs.

The first example of a post-Vietnam SEAD campaign was Operation Mole Cricket 19, launched by Israel at the start of the 1982 Lebanon War. The Bekaa Valley had been heavily reinforced by the Syrian Armed Forces with a modern Soviet-style air defense network consisting of multiple radar installations, GCI facilities, SAM and AAA sites, and a redundant C3 network. Prior to the start of the operation, Israel conducted an extensive intelligence-gathering effort, consisting of reconnaissance aircraft, remotely piloted vehicles (RPVs) and electronic surveillance aircraft, to paint an expansive picture of where Syrian air defense sites were located and which radar frequencies they were using. They were assisted in this effort by the Syrians themselves, who often placed their sites in sub-optimal positions and failed to relocate their equipment, use dummy radars or maintain active combat air patrol. When the operation began, efficient coordination of jamming/deception efforts with attacks against air defense sites effectively neutralized the ground component of the Bekaa Valley IADS. In response to the attacks, the Syrians launched a large number of fighter aircraft, however without the aid of their radar and GCI facilities these forces were "flying blind" and suffered crippling losses in the resulting air-to-air combat. So complete and disturbing was the Israeli dismantling of the Bekaa Valley IADS that the deputy commander of the Soviet Air Defense Forces was sent to investigate what had gone wrong. Part of Israel's success was due to extensive reconnaissance and preparations prior to the battle, incompetence on the part of the Syrians, and desert conditions conducive to SEAD operations.[24][25]

Operation El Dorado Canyon, the United States' response to the 1986 Berlin discotheque bombing, employed lessons learned from the Bekaa Valley campaign, including extensive planning and practice runs. In contrast to the Israeli mission though the goal of El Dorado Canyon was not the destruction of Libya's IADS itself but to conduct a punitive strike against Muammar Gaddafi. Suppressing the IADS through non-lethal means would help accomplish this mission and, just as important after the Vietnam War, reduce casualties suffered by the strike group. For this reason, electronic jamming played a more prominent role in the operation than at Bekaa Valley and was carried out by both EF-111A Ravens and EA-6B Prowlers in the first ever joint US Air Force-Navy SEAD operation. For several reasons, F-4G Wild Weasels could not take part in El Dorado Canyon, requiring the use of the Navy's carrier-borne A-7E Corsair IIs and F/A-18 Hornets to attack Libyan SAM sites. Their lack of the Wild Weasel's specialized equipment required these fighters to fire their HARMs preemptively at Libyan SAM sites, a costly and wasteful method which nevertheless was effective due to the limited nature of the raid. For their part, the Libyans and their Soviet advisers had also learned lessons from the Bekaa Valley campaign: their IADS was constructed with multiple redundancies (including overlapping radar coverage and hardened landlines between defense sites) and a wider array of both Soviet and Western radar systems able to operate on multiple frequencies to avoid jamming. In the end US forces succeeded in suppressing the Libyan IADS and conducted their punitive strike with minimal casualties suffered.[26]

Persian Gulf War

Coalition forces made extensive use of SEAD during the Persian Gulf War against Iraq in order to counter its – on paper at least – formidable IADS. By 1990 Iraq was protected by approximately 3,700 SAMs, organized into 105 firing batteries, and approximately 7,000 AAA pieces, supported by hundreds of overlapping early warning, search and acquisition radars. In the air the Iraq Air Force was the sixth largest in the world, including hundreds of interceptors which were housed and protected within hardened bunkers. At the center of the Iraqi IADS was Kari, an automated C2 system developed by Iraq and built by French contractors in the wake of Operation Opera (Kari in turn is the French spelling of Iraq backwards). Kari tied the entire IADS to a single location, the national Air Defense Operations Center located in an underground bunker in Baghdad, and in turn divided the country into four defense sectors each overseen by a Sector Operations Center (SOC) located at H-3, Kirkuk, Taji and Talil; a fifth SOC was added at Ali Al Salem to cover the recently conquered Kuwait. Each SOC oversaw the local airspace and commanded anywhere from two to five Intercept Operations Centers (IOCs) per sector. The IOCs were located in bunkers constructed at Iraqi Air Force bases and tied into local radar systems, whose information they could pass on to their SOC and thence on to Baghdad. In this way a SOC was capable of simultaneously tracking 120 aircraft and selecting for the appropriate weapon system to engage them. The SOC could automatically target for SA-2 and SA-3 SAM systems in their sector, which meant the SAMs did not have to turn on their own radar and reveal their position, or an IOC could direct local interceptors to engage the targets. Baghdad itself was one of the most heavily defended cities in the world-more heavily defended several times over than Hanoi during the Vietnam War-protected by 65% of Iraq's SAMs and over half of its AAA guns.[27][28]

An Iraqi radar site destroyed by the French 6th Light Armoured Division during Operation Desert Storm.

However, the Iraqi IADS had several fatal flaws of which Coalition air forces were able to take advantage. The system was primarily oriented towards defending against much smaller attacks from Iraq's most likely enemies – Iran, Syria and Israel – and focused on point defense rather than area defense. This meant there were significant gaps in its coverage, particularly on the orientation from Saudi Arabia straight to Baghdad, and attacking aircraft would be able to approach their target from multiple directions. Much of the Iraqi air defense equipment was also quite outdated: Iraqi SA-2 and SA-3 systems were nearing the end of their operational lifespan and their countermeasures well-known at this point, while what SA-6, SA-8 and Roland systems they possessed weren't much younger either. Likewise a majority of Iraq's interceptor force were less-capable MiG-21s, with fewer more modern variants including export versions of the MiG-29 and F1 Mirage. Furthermore, the IADS was centralized to a fault. Although each IOC was datalinked to their respective SOC and in turn back to the ADOC, the defense sectors couldn't share information between each other. If a SOC was knocked out of action the attached air defense weapons lost all ability to coordinate their response; its respective SAM batteries would be forced to rely on their own radar systems while most AAA guns lacked any radar guidance. Training was also poor, with Iraqi pilots overly reliant on ground-control instructions such that if the IOCs were disabled they lost situation awareness and became easy targets.[27][28]

A destroyed Iraqi SA-2 launcher during Operation Desert Storm.

Suppression of the Iraqi IADS played a prominent role in Operation Instant Thunder, the preliminary air campaign plan against Iraq which served as the basis for Operation Desert Storm's air campaign. In its initial limited form, Instant Thunder called for three dedicated SEAD squadrons which would significantly degrade the IADS enough to allow decimating strikes against Iraq's military and political leadership and other strategic targets.[29] This role for SEAD was further expanded as the mission grew in scope, involving a larger number of aircraft to completely destroy the air defenses protecting southern Iraq and Kuwait.[30] Planning for this mission was helped when the CIA contacted the French engineer responsible for designing the Kari IADS and passed along information about its vulnerabilities and limitations.[31] In its final form, Phase II of the Desert Storm air campaign sought to decimate the southern Iraqi IADS within two days of the start of hostilities. F-4G Wild Weasels and other aircraft capable of carrying HARM missiles would destroy air defense sites themselves, electronic warfare aircraft would disrupt radars and other systems, and additional targets would be struck in order to support this mission, such as temporarily knocking out Iraq's electrical infrastructure.[31][32] In addition to traditional SEAD systems the Persian Gulf War would also see the use of unconventional assets in knocking out Iraq's air defenses, in particular cruise missiles and F-117A Nighthawks, which would be used to attack sensitive targets.[33]

The opening shots of the Persian Gulf War were fired on January 17 in pursuit of defense-suppression: at 2:20AM local time Task Force Normandy, a group of twelve American helicopters, infiltrated into Iraq with the goal of destroying two early-warning radar sites. Three MH-53J Pave Lows guided nine AH-64 Apaches to the targets, which the gunships destroyed, opening a hole in the Iraqi IADS for the initial wave of aircraft to exploit. Two F-117As knocked out the Nukhayb IOC, further widening the gap, although their next attack against the H-3 SOC was unsuccessful. Among the first targets hit by F-117As attacking into Baghdad, bombs damaged the Al Taqaddum IOC and Talil SOC, shortly followed by Tomahawk strikes that disabled the electrical grid upon which Kari depended; reportedly some used special warheads filled with carbon fiber bundles to short-circuit the network. For the next several hours dozens of Coalition aircraft poured into Iraq. Those which weren't specifically directed to suppress air defenses had significant SEAD escort, including the use of BQM-74 drones and ADM-141 TALD decoys which would both "take the hit" for the manned airplanes and cause the Iraqis to reveal their position when they tracked or fired upon the lure. The first night's largest sortie was a joint US Air Force-Navy SEAD mission consisting of fifty aircraft designed to look like a bombing raid on Baghdad but which instead were fitted out with decoys, drones and HARMs to destroy air defenses protecting the city. With Kari degraded due to the disabling of the civilian electrical grid the Iraqi SAMs were forced to use their organic radar, producing what one pilot called "HARM Heaven". A total of 67 HARMs were fired over the course of twenty minutes, causing a significant reduction in Iraqi air defenses around the capital based on follow-up missions.[34]

Throughout the rest of the first night additional air-defense targets were hit by Coalition aircraft with varying levels of success while strikes against other targets consisted of a high ratio of SEAD and escort to strike aircraft. This pace of attack against air-defense and other targets continued into the first day, involving a variety of different aircraft, and spread to targets in Kuwait. A-10 Thunderbolt IIs were used to attack early-warning radars and similar sites along the border in operations known humorously as "Wart Weaseling" (a play on the Wild Weasel and the A-10 "Warthog" nicknames).[35]

Weapons

The weapons most often associated with this mission are anti-radiation missiles (ARMs), which work by homing in on radio emission sources like radar antennae. These missiles are equipped with relatively small warheads, limiting collateral damage, but can easily destroy radar antennae and thus cripple an enemy's air defense system. Early examples of ARMs could be fooled by turning off the radar system, which would cease emitting radiation for the missile to track; more recent missiles are fitted with fire-control systems which "remember" where the source was and continue towards that location.[36] Anti-radiation missiles proved particularly effective during the Vietnam War where, despite the small number carried relative to other munitions, they accounted for 46% of all SA-2 batteries destroyed.[37] However, a weapon need not be designed specifically for SEAD missions to be used to damage or destroy a component of an air defense system. A Paveway LGB for example is not a SEAD-specific munition, but when used to destroy a radar antenna it achieves the desired effect. The relatively new American AGM-154 Joint Standoff Weapon is a valuable SEAD weapon due to its fairly long standoff range which allows the launching aircraft to avoid being threatened by all but the longest-range missiles, and its relatively large area of destruction against lightly armored targets.[1]

Possibly the most effective type of unguided ("dumb") weapon used during SEAD strikes are cluster bombs. This is due to the fact many SAM sites are dispersed over a fairly wide area (in order to increase the difficulty of inflicting serious damage on the battery) and the relative "softness" of the targets (unarmored missile launchers, exposed radar antennas, etc.). The Mk-20 Rockeye II anti-armor cluster munition and the CBU-87 general-purpose cluster munition are typical examples of these types of weapons.[38][39]

Artillery is also used to conduct SEAD missions. After World War II the combined arms nature of warfare meant an increased role in ground forces performing SEAD missions in support of air operations. During the Cold War the American military developed a joint definition of SEAD responsibilities, with the Army responsible for all SEAD missions within the range of observable fire and the Air Force for all missions further away. The Soviet Union placed less emphasis on using artillery to conduct SEAD missions, although where possible artillery would be used to clear a path for attack helicopters. Because of their superior range rocket artillery such as MLRS are the ideal weapon for conducting SEAD operations.[40]

Unmanned Aerial Vehicles (UAVs) play an increasingly vital role in conducting SEAD missions. Due to the dangerous nature of attacking air defenses, the use of UAVs can provide a more cost-effective and less risky method of conducting SEAD. This is especially true since the pilot is not directly at risk and so a commander may be more willing to sacrifice UAVs to accomplish the mission.[41] The first UAVs used in the SEAD role occurred during the Vietnam War, when versions of the Lightning Bug were adapted to carry chaff and other electronic countermeasures.[42] Modern examples of SEAD-specific UAVs include the IAI Harpy.

By country

German Luftwaffe Tornado ECR

As of 2014, the main United States Air Force (USAF) SEAD aircraft is the F-16CJ Fighting Falcon following the retirement of the EF-111A Raven; while the United States Navy replaced the EA-6B Prowler with the Boeing EA-18G Growler. The Air Force and Navy in recent decades have emphasized multirole aircraft over dedicated single-role designs with aircraft such as the F/A-18E/F Super Hornet and F-15E Strike Eagle capable of carrying the AGM-88 HARM and fulfilling the SEAD mission. The use of so-called "dumb planes" which lack the dedicated detection equipment of a true Wild Weasel is supposedly offset by their ability to carry a "smart missile" as well as perform a variety of missions besides SEAD, with a lower operating cost.[43] However, there is concern that such platforms are less effective for this role because of the lack of specialized equipment, forcing them to employ expensive anti-radiation missiles in a less accurate and cost-effective manner.[44][45] The advent of Fifth-generation fighters has seen somewhat of a return to dedicated role aircraft: while the F-22 Raptor is capable of carrying ground ordinance, the aircraft's primary mission is air superiority unlike the more balanced profile of the F-16 and F/A-18. The upcoming F-35 Lightning II is intended to fulfill the ground strike mission profiles of most current multirole and strike fighter aircraft.

In European NATO air forces, the SEAD mission falls mostly to Royal Air Force Tornado GR4s, German Air Force Tornado Electronic Combat and Reconnaissance variant (ECR), and Aeronautica Militare (AMI) Tornado ECRs. The RAF Tornados relied on the aforementioned ALARM missile and the Italian/German Tornado ECRs employ the AGM-88 HARM missile. The Tornado ECR was designed from the outset as a SEAD platform and is unique in the European NATO air order of battle. Although several European NATO aircraft can carry SEAD weapons, few were designed for, or are specifically tasked with, the dangerous SEAD mission. All modern SEAD aircraft are modified to equip some level of electronic jamming equipment to make the job easier on the pilot.

Aircraft types

Current types

Historical types

References

  1. 1 2 Tucker, Spencer C. (Editor), The Encyclopedia of Middle East Wars: The United States in the Persian Gulf, Afghanistan, and Iraq Conflicts, ABC-CLIO, 2010, p. 61–62
  2. ↑ CRS Report for Congress Military Suppression of Enemy Air Defenses (SEAD): Assessing Future Needs by Christopher Bolkcom, 2005, page 5
  3. ↑ Brungess, James, Setting the Context – Suppression of Enemy Air Defenses and Joint War Fighting in an Uncertain World, Air University Press, June 1994, p.7
  4. ↑ Brungess, p. 55
  5. ↑ Hough, Richard Alexander and Denis Richards, The Battle of Britain: The Greatest Air Battle of World War II, W.W. Norton & Company, Inc., 1989, p. 138–143, 220
  6. ↑ Hewitt, William A., Planting the Seeds of SEAD: The Wild Weasel in Vietnam, School of Advanced Airpower Studies, Air University, May 1992, p. 5
  7. ↑ Hewitt, p. 6–9
  8. ↑ Bailey, Johnathan B. A., Field Artillery and Firepower, Naval Institute Press, 2004, p. 76
  9. ↑ Norman Polmar, Thomas B. Allen, World War II: the Encyclopedia of the War Years, 1941–1945, Courier Dover Publications, 2012, pp. 274–275
  10. ↑ Cleaver, Thomas McKelvey, Air Combat Annals, Pacifica Military History, 2011
  11. ↑ Olsen, John Andreas, A History of Air Warfare, Potomac Books, Inc., 2010, p. 89
  12. ↑ Olsen, p. 92
  13. ↑ Olsen, p. 98–100
  14. ↑ Brungess, p. 4–5
  15. 1 2 3 Brungess, p. 6–8
  16. 1 2 Davies, Peter, F-105 Wild Weasel vs SA-2 'Guideline' SAM, Osprey Publishing, 2011, p. 71
  17. ↑ Hannah, Craig C., Striving for Air Superiority: The Tactical Air Command in Vietnam, Texas A&M University Press, 2002, p. 85–86
  18. 1 2 Davies, Peter, USAF McDonnel Douglas F-4 Phantom II, Osprey Publishing, 2013, p. 17
  19. ↑ Brungess, p. 8–9
  20. 1 2 Brungess, p. 9–11
  21. ↑ Davies, F-4 Phantom II, p. 40–41
  22. ↑ Brungess, p. 104
  23. ↑ Pace, Phillip E., Detecting and Classifying Low Probability of Intercept Radar, Artech House, 2009, p. 578–584
  24. ↑ Chun, Clayton K. S., Aerospace Power in the Twenty-First Century: A Basic Primer, United States Air Force Academy, Colorado Springs, CO, p. 243–250
  25. ↑ Brungess, 16–25
  26. ↑ Brungess, 25–34
  27. 1 2 Davis, Richard G., On Target: Organizing and Executing the Strategic Air Campaign Against Iraq, DIANE Publishing, 2002, p. 172–179
  28. 1 2 Knights, Michael, Cradle of Conflict: Iraq and the Birth of Modern U.S. Military Power, Naval Institute Press, 2005, p. 25–27
  29. ↑ Davis, p. 77–79
  30. ↑ Davis, p. 105
  31. 1 2 Knights, p. 48–49
  32. ↑ Davis, p. 157–158
  33. ↑ Davis, p. 178
  34. ↑ Davis, p. 182–190
  35. ↑ Davis, p. 196
  36. ↑ Tucker, Spencer C., p. 115–116
  37. ↑ Zaloga, Steven J., Red SAM: The SA-2 Guideline Anti-Aircraft Missile, Osprey Publishing, 2011, p. 19
  38. ↑ Davies, Peter, F-105 vs SA-2, p. 27
  39. ↑ Owen, Robert C., Deliberate Force: A Case Study in Effective Air Campaigning, Air University Press, 2000, p. 265
  40. ↑ Bailey, p.77–78
  41. ↑ Chun, p. 295–296
  42. ↑ Newcome, Laurence R., Unmanned Aviation: A Brief History of Unmanned Aerial Vehicles, American Institute of Aeronautics and Astornautics 2004, p. 83–86
  43. ↑ Brungess, p. 107–108
  44. ↑ Navy Aviation: F/A-18E/F Will Provide Marginal Operational Improvement at High Cost, DIANE Publishing Company, 1997, pg. 93
  45. ↑ Holmes, James Michael, The Counterair Companion Short Guide to Air Superiority for Joint Force Commanders, DIANE Publishing, 1995, p. 45–46
  46. ↑ Vectorsite Sukhoi Su-17 History

External links

Wikisource has several original texts related to: Audio recordings and transcripts with comments of actual Wild Weasel combat missions over Vietnam.
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