U.S. Air Force Staff. Sgt. Jeremy McCray, 105th Airlift Wing C-17 Globemaster III loadmaster, signals an ambulance bus away during a patient move on Ramstein Air Base, Germany, July 13, 2017. Mission frequencies vary, however, En-route Patient Staging Facility personnel perform between two and 10 patient moves on a weekly basis. (U.S. Air Force photo by Airman 1st Class D. Blake Browning)