U.S. Army soldiers with Alpha Company, 4th Battalion, 10th Special Forces Group fast-rope from a CV-22 Osprey tiltrotor aircraft during exercise Emerald Warrior 2011 at Cannon Air Force Base, N.M., on March 1, 2011. 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.