Parachuting Exercise U.S. Marines board a CH-47 Chinook to perform a high-altitude parachuting exercise as part of Operation Emerald Warrior, May 6, 2014, at Stennis International Airport, Kiln, Miss. Operation Emerald Warrior is a multinational, joint force training exercise sponsored by Special Operations Command. SHARE: Download: Full Size (1.83 MB) Credit: Army Spc. Connie A. Jones, National Guard VIRIN: 140506-D-D0439-247.JPG Photo Gallery