Senior Airmen Nick Church and Ashley Igalo, 437th Airlift Wing, Joint Base Charleston, S.C., loadmasters, prepare the interior of a C-17 before take-off during Red Flag 16-3 at Nellis Air Force Base, Nev., July 20, 2016. Red Flag provides a series of intense air-to-air scenarios for aircrew and ground personnel which will increase their combat readiness and effectiveness for future real world missions. (U.S. Air Force photo by Airman 1st Class Kevin Tanenbaum/Released)