Staff Sgt. Glen Brott rappels down a breached personnel access hatch while Staff Sgt. Scott Shirley provides security during a launch facility recapture exercise Feb. 18, 2014, at F.E. Warren Air Force Base, Wyo. Brott and Shirley are 90th Security Forces Group Tactical Response Force assaulters. (U.S. Air Force photo/Staff Sgt. Jonathan Snyder)