Defenders sharpen skills
Airman 1st Class Aaron Dickerson, 30th Security Forces Squadron apprentice, checks all rooms in the building with two partners on May 3, 2018 at Vandenberg Air Force Base, Calif. Defenders practiced room clearing techniques during a month of training to improve their ability to shoot, move and communicate. (U.S. Air Force photo by Airman Aubree Milks/Released)