Two members of the 307th Security Forces Squadron secure a downed helicopter during the Global Strike Challenge Tactical competition, Sept. 23, 2014, Camp Guernsey, Wyo. The Global Strike Challenge is the world's premier bomber, Intercontinental Ballistic Missile, helicopter operations and security forces competition with units from Air Force Global Strike Command, Air Combat Command, Air Force Reserve Command and the Air National Guard. (U.S. Air Force photo by Master Sgt. Greg Steele/Released)