Senior Airman Anthony Naugle, right, an A-10 crew chief with the 357th Fighter Squadron, 355th Fighter Group based at Davis-Monthan AFB, Tucson, Ariz., gets a lesson in the maintenance of one of the two 1,000 hp 746 kW, turbo-supercharged, 12-cylinder Allison V-1710 engines on a P-38 "Lightning" from Doug Abshier after the day's practice flights at the Heritage Flight Training Course, Mar 5, 2016. Eddins Jr.

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Photo credit: © 001 Images / Alamy / Afripics
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Keywords: -86, -51, -47, -40, -38, -35, -22, -16, .., air, airforce, airman, america, az, conflict, falcon, flight, force, heritage, lightning, magazine, military, mustang, raptor, sabre, show, states, tucson, united, usa, war, warbirds