JOINT BASE ANDREWS, Md. -- Airmen from the 459th Air Refueling Wing practice building sandbag bunkers here Feb. 3 during a Ability to Survive and Operate training course. The Reserve servicemembers attended 14 different training courses over a two-day period that was focused on preparing them for future exercises and an upcoming Operational Readiness Inspection. Along with the ATSO course, the training also included items like how to identify unexploded ordinance, gas mask inpections and M-16 operations. (U.S. Air Force photo/Tech. Sgt. Steve Lewis)