CE Bivouac
Senior Airman David Ruffin, 434th Civil Engineer Squadron power production journeyman, and Staff Sgt. Daniel Bennett, 434th Civil Engineer Squadron electrical systems technician, perform a security sweep during an exercise Sept. 10, 2016 at Grissom Air Reserve Base, Ind. When deployed CE Airmen are occasionally required to supplement security forces. (U.S. Air Force photo/Staff Sgt. Katrina Heikkinen)