Senior Airman Ivan Abrev, 11th Civil Engineer Squadron structural journeyman, uses a measuring tape at Joint Base Andrews, Md., Feb. 16, 2017. Abrev measured several distances within a hangar to determine where to place an F-16 Fighting Falcon display and U.S. flags in preparation for the Chief Master Sergeant of the Air Force Transition Ceremony. (U.S. Air Force photo by Senior Airmen Jordyn Fetter)