A flight crew from the Royal Air Force stand outside a British C-130 after flying jumpers from the Canadian Special Operations Regiment, Green Berets of 7th Special Forces Group (Airborne) and Para-rescue airmen from the Air Force Special Operations Command to the altitude of 12,500 feet to conduct a high altitude low opening parachute jump (HALO) Hurlburt Field, Fla., April. 25, 2013. Special operations members from coalition forces participated in HALO jumps during Exercise Emerald Warrior, Emerald Warrior is an exercise designed to provide irregular training at the tactical and operational levels. The exercise involved all branches of the U.S. military and special operations members from allied countries. (U.S. Army photo by Spc. Steven Young)