Active shooter exercise tests Barksdale AFB
Senior Airman Jordan Crouse, 2nd Security Forces military working dog handler, and Hektor, 2nd SFS MWD, guard a security perimeter during an active shooter exercise at Barksdale Air Force Base, La., Nov. 29, 2016. Crouse and Hektor performed a security sweep, searching for bomb-making material. (U.S. Air Force photo/Senior Airman Damon Kasberg)