Tech. Sgt. David Vazquez Velez, 48th Fighter Wing Aircrew Flight Equipment, demonstrates the use of an over cape during an Aircrew Contamination Control Area training exercise at Royal Air Force Lakenheath, England, Feb. 21, 2020. The training is conducted to ensure pilots and weapons systems officers can maintain mission readiness under any adverse conditions. (U.S. Air Force photo by Airman 1st Class Jessi Monte)