Red Flag 171
F-35A Lightning II pilot Lt. Col. Yosef Morris, 388th Fighter Wing, shakes hands with Airman 1st Class Raul Guzman, 34th Aircraft Maintenance Unit Crew Chief, Nellis Air Force Base, Nev., Feb 3, 2017. Morris flew the 2,000th sortie during Red Flag 17-1. Red Flag is the Air Force's premier air-to-air combat training excercise. This is the first deployment to Red Flag for the F-35A and the first large movement since the Air Force declared the jet combat ready in August 2016. (U.S. Air Force photo/R. Nial Bradshaw)