Retired U.S. Marine Corps Lance Cpl. Nicholas Green, with the East team, keeps the ball from retired Staff Sgt. Jason Lawson during preliminary game play in the wheelchair basketball competition at the 2012 Marine Corps Trials hosted by the Wounded Warrior Regiment at Marine Corps Base Camp Pendleton, Calif., Feb. 18, 2012. Wounded Warrior Marines, veterans and allies competed in the second annual trials, which included swimming, wheelchair basketball, sitting volleyball, track and field, archery and shooting. The top 50 performing Marines earned the opportunity to compete in the Warrior Games in Colorado Springs, Colo., in May 2012.