U.S. Air Force pararescue specialists with the 31st Rescue Squadron from Kadena Air Base, Japan, deploy a rescue boat for a combat search and rescue training mission during the Keen Sword 19 exercise, near Misawa Air Base, Japan, Oct. 19, 2018. The CSAR exercise was one of many elements of KS19. The biennial exercise is the latest in a series of joint, bilateral field training exercises since 1986 designed to increase combat readiness and interoperability of U.S. forces and the Japan Self-Defense Force. (U.S. Air Force photo by Senior Airman Sadie Colbert)