B-1 crews keep Lancers soaring during Red Flag 15-2
Senior Airman Brandon Wilkins, a crew chief assigned to the 28th Aircraft Maintenance Squadron, Ellsworth Air Force Base, S.D., services oil of a B-1B Lancer during Red Flag 15-2 at Nellis AFB, Nev., March 10, 2015. Crew chiefs are responsible for overseeing the day-to-day maintenance of aircraft, including diagnosing malfunctions and replacing components, and conducting various inspections to ensure the aircraft is functioning properly. (U.S. Air Force photo by Staff Sgt. Siuta B. Ika)