Airman 1st Class Jerry Franklin, 8th Civil Engineer Squadron journeyman, and Staff Sgt. Collin Tompkins, 8th CES craftsman, work together to place barriers around designated buildings on Kunsan Air Base, Republic of Korea, Jan. 9, 2014. The placement of barriers was part of Beverly Sentinel 14-1, a barrier exercise that tested the base’s ability to implement higher security measures at a moment’s notice. (U.S. Air Force photo by Staff Sgt. Jessica Haas)