U.S. soldiers and airmen participate in exercises Global Medic 2011 and Warrior 91-11-01 at Fort Hunter Liggett, Calif., on May 17, 2011. The Warrior exercise gives participating units an opportunity to rehearse military maneuvers and tactics such as security, convoy operations and quick reaction drills during simulated enemy attacks. Global Medic is a joint field training exercise for theater aeromedical evacuation system and ground medical components.