Pre-Raven Training course students practice performing weapon take-aways at Joint Base Andrews, Md., Oct. 17, 2014. The airmen are preparing for the United States Air Force Expeditionary Center’s Phoenix Raven training course where they will learn cross-cultural awareness, legal considerations, embassy operations, airfield survey techniques, explosive ordnance awareness, aircraft searches, and unarmed self-defense techniques. (U.S. Air Force photo/ Senior Airman Nesha Humes)