By defenders for defenders
Staff Sgt. Kathleen Sullivan, 25th Security Forces Squadron assistant flight chief at Misawa Air Base, Japan, discusses the importance of sleep during Defender's Edge training at Yokota Air Base, Japan, March 11, 2015. Defender's Edge, a four-day resiliency and stress-management course for security forces Airmen, utilized interactive discussions to teach effective skills to the defenders. (U.S. Air Force photo by Airman 1st Class Delano Scott/Released)