Keen Sword 17
U.S. Air Force Airmen from the 31st Rescue Squadron and Japan Air Self-Defense Force pararescuemen prepare for Exercise Keen Sword 17 Nov. 10, 2016, at Kadena Air Base, Japan. During Keen Sword, the 31st Rescue Squadron and JASDF work together during exercises such as a mass casualty exercise and coordinating rescue efforts. (U.S. Air Force photo by Senior Airman Lynette M. Rolen/Released)