U.S. Army Special Forces Soldiers prepare to board a Royal Air Force C-130K Hercules aircraft March 4, 2012, at Hurlburt Field, Fla., for a high altitude-low opening parachute jump during Emerald Warrior 2012. Emerald Warrior is an annual two-week joint/combined tactical exercise sponsored by U.S. Special Operations Command designed to leverage lessons learned from operations Iraqi and Enduring Freedom to provide trained and ready forces to combatant commanders.