Old Viper Tester Posted October 11, 2021 Share Posted October 11, 2021 F-15 77-0139 was assigned to the F-15 Combined Test Force (CTF) at Edwards AFB for its entire career. Its primary mission was engine testing of various modifications to the P&W F100 and how the engine behaved in the F-15. The F-15 CTF comprised cadre from AF Systems Command, McDonnell-Douglas, Pratt & Whitney, and occasionally, Tactical Air Command. The F-15 CTF was one of several CTFs (A-10, B-1, C-17, etc.) under the 6510th Test Wing of the Air Force Flight Test Center at Edwards. The designation of the Systems Command CTF component changed a few times throughout its life. Originally just identified as the AFSC component, in March 1989 it was given the designation 6515th Test Squadron. In October 1989, the new Chief of Staff of the Air Force decreed that all 4-digit unit designations be abolished, and the 6515th became the 415th Flight Test Squadron, assuming the heritage of the 415th Bomb Squadron. The parent wing, the 6510th Test Wing, became the 412th Test Wing. In 1994, F-15 flight test at Edwards had diminished and the 415th was absorbed into the 445th Test Squadron. Testing the A/A37 Aerial Gunnery Target System (carried by F-4E 66-0368), 1980 On static display for some VIP visitors, April 1983. Flying a bombing proficiency mission, July 1984. Most 6510TW aircraft were given "ED" tail codes in early 1984. Testing the new -229 variant of the F100 engine, April 1988. A single -229 was installed in the left engine bay and -100 in the right. On the F-15 CTF ramp in February 1989. Thanks for looking, Sven 14 Link to comment Share on other sites More sharing options...
Ralph Posted October 12, 2021 Share Posted October 12, 2021 (edited) Thanks Sven! I really look forward to seeing your fantastic collection of pictures...my favourite jets from my favourite time frame! The F-15 is my all time favourite jet and posts like these are just nectar! Edited October 12, 2021 by Ralph 1 Link to comment Share on other sites More sharing options...
exdraken Posted October 13, 2021 Share Posted October 13, 2021 Great photos, thanks! No pound for air to ground... yes exactly . 1 Link to comment Share on other sites More sharing options...
HOUSTON Posted October 15, 2021 Share Posted October 15, 2021 Be still MY beating Heart. Just GORGEOUS photos. Thank you. Link to comment Share on other sites More sharing options...
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