USAF, USA members maintain jump proficiency
U.S. Air Force Airmen and U.S. Army Soldiers perform a high altitude, low opening jump off an MC-130J Commando II April 24, 2017, above Okinawa, Japan. The HALO jump is a method of delivering personnel, equipment, and supplies from a transport aircraft at a high altitude via free-fall parachute insertion. (U.S. Air Force photo by Senior Airman John Linzmeier)