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Grumman EA-6A Intruder
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EA-6A Intruder, Electronic Warfare Aircraft. The Electronic Warfare version of the A2F-1 (later A-6A) was the A2F-1H or Q depending on source information. The aircraft was ordered through a contract with Grumman in March of 1962 in response to Marine Corps requirements to replace the aging F3D-2Q Skyknights. It was redesignated the EA-6A in September 1962. Prior to the contract award Grumman had completed preliminary design studies in 1960-61 that described the required modifications to the A2F-1 Intruder to support the intended role of a dedicated Electronic Warfare aircraft. Two A-6As were modified as prototypes by Grumman, the first was BuNo 147865, the second A2F-1 used as the aerodynamic prototype for the H/Q version. This aircraft, nicknamed “Methuselah” and carrying the VMAQ-2 side number 00, is preserved near the flight line at MCAS Cherry Point. The second prototype, converted A-6A BuNo 148618, the primary electronic testbed, first flew on 26 April 1963 and was later delivered to NATC PAXRIV for flight testing in March 1965. Subsequently, four more A-6A aircraft were modified for delivery, plus one prototype, BuNo 149935, retained by Grumman as a NEA-6A and later used in the EA-6B development. A new lot of six beginning with BuNo 151595 were then built on the A-6A assembly line to round out the first 12 aircraft delivered under the initial contract. BuNo 149477 was the first production aircraft delivered to VMCJ-2 on 14 November 1965 although 3 others were delivered to the Navy for earlier BIS trials. (BuNos 149475,151595, 151596). Unlike later generation A-6s the EA-6A retained the fuselage speedbrakes. The “football” appendage on the tail fin cap housing EW antennae was the most noticeable structural change although the EA version also had outer wing storage stations (A&B) in addition to the centerline and 4 wing stations of the A-6A. These outer wing stations (beyond the wing fold) were used to carry the low band receiver pods that were part of the initial AN/ALQ-53 EW receiving system, and later on ALE-32 or ALE-41 chaff dispensing pods or the AGM-45 Shrike missile. An eight inch plug was inserted into the forward fuselage to add room for additional electronic equipment. The ALR-15 multi-band threat warning system and AN/ALQ-41 AI Deception Repeater Jammer was carried forward from the A2F-1 design. Unfortunately, the highly accurate inertial navigation system (CAINS) from the A2F-1 was traded off leaving a navigation computer (ASN-66) and navigation only radar. (APQ-103). The first operational aircraft delivered to VMCJ-2 in Cherry Pt. in November and December of 1965 suffice to say from most accounts had major reliability and operability problems with the ALQ-53 which was an adaptation of a ground based EW system. As a result NAVAIRSYSCOM brought in a Syracuse University lab to redesign the ALQ-53 on a quick reaction basis given the urgent need to support the planned deployment of the aircraft to Vietnam. That effort resulted in several modifications to the systems that were already delivered to the squadron and led to a production contract with Bunker Ramo Inc. for what was then designated the An/ALQ-86 receiving system. Although initial production deliveries were not to come until late 1967, some of the modifications to include removal of the low band pods were completed on the VMCJ-2 flight line by a contractor and Marine avionics team. Similarly, the EA-6A’s new radar jamming system the AN/ALQ-76 was also behind in schedule so the vintage ALQ-31B pods with lower powered ALT-6B noise jammers were used to outfit the aircraft being readied to deploy in the Fall of 1966. The first operational deployment of the EA-6As was not until late October 1966 when six aircraft and an aircrew/maintenance cadre from VMCJ-2 joined VMCJ-1 at Danang RVN. (Bunos included 149478,151600,149475,151598,151597,147865) These aircraft were configured with the modified ALQ-53 receiving system and ALQ-31 pods with ALT-6B jammers. Despite the limitations of this initial EW suite, the EA-6As with their well trained aircrews proved far superior to the old EF-10Bs. They were able to provide highly effective ECM support for large Navy Alpha strikes and provided one on one support for numerous USMC A-6A aircraft on night strikes deep inside of the formidable NVN air defenses employing modified escort tactics. Over significant objections from the Office of the Secretary of Defense, the HQMC was able to push through a follow on production program that added another 15 aircraft to the inventory with deliveries beginning in December 1968 through November 1969. (A gap of nearly 3 years in deliveries).These aircraft would be delivered with the new fully integrated ALQ-86 Receiving and ALQ-76 ECM systems and ALE-32 chaff pods. With the introduction of the ALQ-76 system the aircraft could carry 20 high powered noise jammers in 5 pods with steerable antennas making it the most advanced EW aircraft in the world. Prior to the arrival of the new production aircraft, the new EW suite was integrated into the earlier airframes on a quick reaction basis supported by the Marines at VMCJ-2. The first of these aircraft with the integrated ALQ-76/86 systems entered combat service with VMCJ-1 in February 1968 at Danang RVN, ironically the same month that the first EF-10B Super Whales with updated COM/NAV and ECM systems arrived. These new aircraft soon proved their worth in supporting all air operations over NVN including the SAC reconnaissance drones. ( The USAF documented the value of the ECM support provided to their drones by VMCJ-1 EA-6As in 1968 with special analysis report). In addition to the Grumman, the prime aircraft contractor, the EA-6A aircraft and systems was fully supported by the Naval Air Systems Command and its RDT& E centers at Paxtuent River, Maryland, and Pt. Mugu, California, all of whom had experienced Marine Officers and Staff NCOs on staff that knew the mission and worked hand in hand with the civilian engineers. From the inception of the program, VMCJ-2 and later its successor squadron VMAQ-2 was the NATOPS lead for the EA-6A and provided the training base for aircrews and ECM technicians that deployed to WESTPAC as well as maintaining a full operational ready capability in CONUS. As part of a rigorous and realistic training program, VMCJ-2 periodically deployed EA-6A aircraft to NAS Key West for missions along the periphery of Cuba that gained invaluable exposure to Soviet manufactured radar systems. This was a continuation of a Cold War effort that started with EF-10Bs before the 1962 Cuban Missile Crisis. These missions sometimes caused a hostile reaction by the Cuban Air Force’s Soviet built Migs, perhaps the most notable in late April 1970 when a flight of Mig 21s attempted to intercept an EA-6A and in the process penetrated the US ADIZ within sight of Key West. In June 1970 with the phase down of the US forces in Vietnam, VMCJ-1’s EA-6As were withdrawn to MCAS Iwakuni, Japan and soon became actively engaged in supporting US and allied air defense exercises in Japan, Korea and Taiwan. Additionally, VMCJ-1 initiated CINCPAC sanctioned Beaver Hound ESM training missions along the Korean DMZ and in other areas along the Northern Pacific periphery similar to the EF-10B Shark Fin missions in the 1960s. In November, 1970 a VMCJ-1 EA-6A detachment executed an emergency redeployment to Danang, RVN on the eve of the ill fated Son Tay prison raid to support Navy deception operations and a follow-on protective reaction strike the next day. In February, 1971 a detachment of VMCJ-1’s EA-6As deployed over 2000 miles from Iwakuni to HMAS Norwa, a Royal Australia Navy airfield South of Sidney to support an Australian navy anti-air warfare exercise off the East coast. This marked the first deployment of Marine fixed-wing aircraft to Australia since WW II. The EA-6A’s aerial refueled over Okinawa enroute to Mactan, a military airfield in the Southern Philippines which was about 1300 miles North of Darwin, the second stop enroute. From Darwin on the Northwest coast, the aircraft and their supporting C-130 deviated from the deployment plan do to a typhoon, and made a refueling stop at Mt. Isa , a mining town in the Outback before continuing on the HMAS Norwa. Immediately after the Australia detachment arrived back in Iwakuni, COM 7Th Fleet ordered a contingency deployment of 4 aircraft back to Danang for about 5 days to support newly authorized TF-77 protective reaction strikes in NVN. Yet another of these short combat deployments was supported in the April-May 1971 timeframe. Meanwhile back in CONUS VMCJ-2 was not only supporting the WESTPAC rotations but was tasked to provide a detachment of EA-6As for a first ever CV deployment to the Mediterranean. Workups began in September 1970 with CVW-17 and the detachment deployed aboard the USS Forrestal in January 1971 for a six month cruise that turned into nearly a year as the EA-6As cross decked to the USS Saratoga before completing its tour in December. While in the Mediterranean the det also cross decked to the USS America and operated out of Soudha Bay and Rota Spain. This first operational deployment aboard ship resulted in many valuable lessons learned that later proved crucial to sustained operations by VMCJ-1 and later VMAQ-2 dets aboard the USS Midway. Back in the Pacific, the initiation of operation Linebacker I against NVN resulted in the redeployment of VMCJ-1’s EA-6As to NAS Cubi Pt in April 1972 for what turned into the most demanding operational scenario of the Vietnam War. VMCJ-1 was augmented by a VMCJ-2 EA-6A detachment diverted from a scheduled carrier cruise in the Med. Together the new unit formed CTU 77.06 which was to provide sustained support to TF-77 air operations for Linebacker I & II which ended with the 1972 Christmas B-52 strikes against Hanoi-Haiphong targets. The EA-6As provided near continuous ECM support in the Gulf of Tonkin by aerial refueling and daily cycling of aircraft and crews through Danang. The unit maintained a 98% on station support record and only had two supported aircraft lost to enemy action in what was the most sophisticated surface-to-air threat environment ever seen up to that time. Two EA-6As were lost during this deployment. The first was a combat loss near the NVN coast to unknown causes in April 1972 shortly after initiation of Linebacker I operations which resulted in loss of the crew.. The second was an accident near NAS Cubi Pt. in late December 1972 due to a bleed air duct failure, with the crew successfully ejecting and recovered. Meanwhile back at Cherry Pt. on 25 May 1972 another EA-6A was lost near Cherry Pt with the crew (1/lts Buchanan and Pitz) recovered. In October 1973, VMCJ-1 was tasked to assume the primary ECM support mission for the USS Midway (CV-41) which was home ported in Japan. This commitment was maintained by VMCJ-1 until August 1975 when the squadron was stood down. Afterwards the CV-41 mission was assumed by a rotating detachment from the newly formed VMAQ-2 squadron which replaced VMCJ-2 at MCAS Cherry Pt. The last USMC EA-6A loss occurred in October 1973 during night CQs off Okinawa with both crewmembers perishing. With the end of the U.S. direct involvement in Vietnam came a redistribution of the EA-6A aircraft and systems amongst the three VMCJ squadrons. This improved the readiness of VMCJ-3’s EA-6As based at MCAS El Toro California, the last squadron to receive the aircraft. (1970) Picking back up on the CV deployments to the European theater, VMCJ-2 provided a detachment under Maj. Royal Moore for the USS America’s mini-cruise to the UK for NATO exercise Northern Merger in September – October 1974. In the Spring of 1975 VMCJ-1’s Midway detachment under Maj. Marty Brush was called in to support the emergency evacuation of Saigon under Operation Frequent Wind. The detachment’s aircraft were off loaded to NAS Cubi Pt. to make room for evacuation helicopters. On 21 April the squadron was tasked to send a two plane detachment to the USS Coral Sea to provide threat warning and ECM support for the massive airlift operation. With intelligence reporting that the NVN had moved SA-2 SAMS and radar controlled AAA into the area there were serious concerns that they might break an informal agreement to not oppose U.S. evacuation aircraft. The EA-6A detachment provided near continuous monitoring of the threat air defense radars over a 7 day period. Late on the night of 29-30 April, Capts. B.K. Larson and Kenny Watts flying BuNo 156989 flew what likely was the last combat support mission by a U.S. aircraft over Vietnam before returning to the Coral Sea after receiving word the evacuation operation was over. VMCJ-2 and VMCJ-3 were decommissioned on 15 August 1975 and their EA-6As consolidated under a new squadron, VMAQ-2, at MCAS Cherry Pt. North Carolina. In mid September 1975 at MCAS Iwakuni Japan, VMCJ-1 stood down and Lt. Col. Art Bloomer, the last commanding officer, led a TRANSPAC of the last four EA-6As with VMCJ-1’s RM tail code back to VMAQ-2 at MCAS Cherry Pt. After the end of the Vietnam war the focus of U.S. military operations in the Cold War turned again to the European theater and the EA-6A aircraft came in demand to support major NATO exercises. The first land based deployment of the EA-6As to Europe came in September-October 1976 when a VMAQ-2 detachment under Maj. Marty Brush, deployed to Orland AB, Norway and later Vandel AB in Denmark in support of exercise Team Work/Bonded Item 76. In the Fall of 1977 another VMAQ-2 detachment under Maj. Jay Weides supported a NATO southern flank exercise from Izmir AB Turkey. With the transition to the EA-6B under way, the final deployment of EA-6As to Europe was in the Fall of 1978 under Maj. Jack Norton, again to Vandel AB, Denmark. In the Summer of 1977 VMAQ-2 Detachment B under Maj. Marty Brush deployed aboard the USS Coral Sea which was on station in WESTPAC covering the USS Midway’s yard period. The detachment cross decked back to the USS Midway in November to support its first deployment to the Indian Ocean near the coast of Iran, with port calls in Perth, Australia and Singapore enroute back to its home port in January 1978. With this deployment the EA-6As had truly been deployed worldwide! The final deployment of a VMAQ-2 EA-6A detachment to the USS Midway was from July to December 1978 under Maj. Jay Weides before the commitment was assumed by the EA-6Bs. In 15 years of service with four active duty squadrons and numerous CV and land-based detachments deployed worldwide in support of the Vietnam and Cold Wars, the EA-6As established a legacy unparalleled in the history of electronic warfare aircraft. That legacy was extended by another 13 years of service after its transition to the Navy and Marine Corps reserves (VAQ-209, VAQ-309, VMAQ-4) and VAQ-33, a fleet EW support squadron. The first Navy Reserve EA-6A squadron (VAQ-209) stood up in the Fall of 1977 at NAS Norfolk followed by VAQ-309 at NAS Whidbey Island. VMAQ-4, the first USMC reserve EW squadron was commissioned in November 1981 at NAS Whidbey Island with the RM tail code from the old VMCJ-1. It operated under MAG-42 Det Charlie with EA-6As until 1990 when it transitioned to the EA-6Bs. The last of the EA-6As were retired from VAQ-33 home based at Key West in 1993. BuNo 147865 was flown back to MCAS Cherry Pt by Lcdr. Looney of VAQ-33 where it remains today as a static display. Capt. Joey RohletterIn 1984 the reserve aircraft were finally cleared to launch the Shrike anti-radiation missile from the outboard stations. The first Shrike launch for VMAQ-4 came at China Lake by two VMAQ-4 aircraft. BuNo 151600 crewed by Capt. Joey Rohletter and Capt. Jim Grimshaw fired the first missile followed by Maj. Paul Barlock and MAG-42 Det C CO Lt. Col. Dave Weber on 17 August 1985. The last major modification of the EA-6A aircraft and weapon systems occurred during the 1987-89 timeframe under the RECAP program. A much need navigation radar, Loran navigation system and upgrades to the ALQ-76 and 86 ECM systems along with improved DECM suite was included in this modification program. Color Scheme is for early 1970's. Specifications; Length: 55' 6'" 16.9 m; Height: 15' 6" 4.7 m; Wingspan: 53' 0" 16.1 m; Wingarea: 529.0 sq ft 49.1 sq m; Empty Weight: 27,769 lb 12,593 kg; Gross Weight: 41,715 lb 18,918 kg; Max Weight: 54,571 lb 24,748 kg; Propulsion; No. of Engines: 2; Powerplant: Pratt & Whitney J52-P-6; Thrust (each): 8,500 lb 3,854 kg; Performance; Range: 2,021 miles 3,254 km; Cruise Speed: 472 mph 760 km/h 410 kt; Max Speed: 631 mph 1,016 km/h 549 kt; Climb: 6,550 ft/min 1,996 m/min; Ceiling: 37,800 ft 11,521 m;
About this creation

Left side view of the aircraft with the sliding canopy open, gear lowered, boarding ladder deployed, and RAT (Ram Air Turbine) deployed. This model is essentially a re-work of my A-6E, modified to feature the early Intruder style fuselage mounted airbrakes and the wingtips brakes locked closed. The tail now features the bulged pod housing warning receiver antennas(as later used on the EA-6B Prowler variant), and 3 ALQ-99 ECM jamming pods. The canopy on the model is mounted on poles allowing it to slide realistically to the open or closed positions. The landing gear are fully functional, with the nose gear retracing rearward and covered by a small forward door and a large side door. The main gear retract forwards, with the gear rotating 55 degrees to fit snugly inside the wing glove, and two large doors closing sideways over top to seal flush with the fuselage. The wings feature folding mechanisms (for carrier storage), and have positionable flight control surfaces such as moving flaps and spoilerons. As stated, the wingtip airbrakes are locked closed on this model. The boarding ladder and tail hook can both be lowered, the radome hinged upwards to expose the radar antenna, the RAT is positionable on the port aft wing root, the all moving tailplanes are moveable, and the cockpit is minifigure scaled and fully detailed with removable ejection seats.

Rear left view showing the open fuselage airbrakes and the size of the tail pod.

The three ALQ-99 ECM pods can be seen in this view, with one on each outer wing pylon and another mounted on the belly pylon. The inboard pylons carry external fuel tanks for extended range.

Rear view of the aircraft. Again note the size of the tail pod.

Closeup of the ALQ-99 ECM pod on the starboard outer wing pylon. The device on the front is the propeller for the pod's own on board electrical generator.

Closeup of the tail hook and fuselage mounted airbrakes in the open position. These were deleted from the later versions of the Intruder as they were found to cause disturbance to the horizontal stabilizers, and the wingtip style airbrakes were adopted instead. Only EA-6A Intruders and KA-6D Intruder aircraft retained the fuselage mounted brakes.


 I like it 
  December 16, 2017
Why is this rated so low? I was in the Marines, and we used the EA-6Bs and these are great aircraft. Awesome work on this! :-)
 I like it 
  March 30, 2015
Amazingly accurate.
 I like it 
  October 10, 2014
Great job!
 I like it 
  February 8, 2014
The build is awesome, but seriously- do we need the entire history of the jet?! Just post a short bit and a link to wherever you c/p from.
Justin Davies
 I like it 
Matt Bace
  February 4, 2014
Wow! That is spectacular. I know this isn't your first A-6 variant, but I'm still amazed at well you've captured its shape, especially around the nose, engine inlets, and canopy. I'm looking forward to more aircraft builds from you at this scale.
  February 4, 2014
Perfect curves and details!!!
 I made it 
  February 4, 2014
Quoting Matt Bace Wow! That is spectacular. I know this isn't your first A-6 variant, but I'm still amazed at well you've captured its shape, especially around the nose, engine inlets, and canopy. I'm looking forward to more aircraft builds from you at this scale.
I forgot I had already finished this conversion and just not posted it, so I decided to upload it today along with another F-4 variant I had previously completed, the German Luftwaffe's F-4F Phantom II ICE.
By Justin Davies
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