Keen Sword 17
U.S. Air Force Maj. Edward Porter, 31st Rescue Squadron chief of standards and evaluations, jumps out of an MC-130J Commando II during Exercise Keen Sword 17 Nov. 10, 2016, off the coast of Okinawa, Japan. Exercises like Keen Sword demonstrate the strength of combined U.S.-Japan forces when the need arises to protect our allies. (U.S. Air Force photo by Senior Airman Lynette M. Rolen/Released)