31 SFS clear the way
(From left) Heath Jackson, combat training instructor, and U.S. Air Force Senior Airman Deylin Cortellini, 31st Security Forces defender, enter a hallway during security clearing training with their team, July 30, 2015, at Aviano Air Base, Italy. Approximately 20 defenders participated in offensive and defensive tactics to help prepare themselves for real-life scenarios. (U.S. Air Force photo by Airman 1st Class Cary Smith/Released)