A U.S. Army soldier prepares to drive a U.S. Army 2nd Cavalry Regiment Interim Armored Vehicle Stryker out of a U.S. Air Force C-17 Globemaster III at Plovdiv Airport, Bulgaria, July 13, 2017. The U.S. Air Force's capability for rapid mobility allows U.S. and allied power to be projected quickly to anywhere on the globe. (U.S. Air Force photo by Senior Airman Tryphena Mayhugh)