U.S. Air Force Staff Sgt. Jose Diaz, 633rd Logistics Readiness Squadron supply technician, distributes mobility bag items to 633rd Air Base Wing Airmen during a deployment exercise Feb. 10, 2015, at Langley Air Force Base, Va. The exercise tested mobility response times and preparedness to ensure optimal global mission support. (U.S. Air Force photo by Staff Sgt. Natasha Stannard)