Night concealment training
Staff Sgt. Jerry Bonds, left, 8th Civil Engineer Squadron service contracts, and Tech. Sgt. Rigoberto Vasquez, 8th CES NCO in charge of service contracts, use the defense concealment training they received that morning to get to the assigned check-point at Kunsan Air Base, Republic of Korea June 21, 2012. The objective of this exercise was to use the terrain and darkness to move without being seen by the enemy. (U.S. Air Force photo/Senior Airman Marcus Morris)