A U.S. Air Force Aircrew Flight Equipment Airman removes an aircrew member’s protective gear during Aircrew Contamination Control Area training at Joint Base Langley-Eustis, Virginia, July 12, 2018. As each aircrew member passes through the nine stations of the ACCA, a piece of their protective equipment is removed after being cleared of chemical agents. (U.S. Air Force photo by Senior Airman Derek Seifert)