Five C-17 Globemasters III from the 535th Airlift Squadron taxi prior to take off on Joint Base Pearl Harbor-Hickam, Hawaii, July 31, 2015. The day featured the participation of 15th Wing C-17 Globemasters III and F-22 Raptors of the 199th fight squadron, as well as KC-10 Extenders from Travis Air Force Base, and tested the ability for the aircrafts and personnel to work together to complete a mission. (U.S. Air Force photo by Tech. Sgt. Terri Paden/Released)