Retired Army Sgt. Sean Hook, a veteran and missionary worker, winds up to shot put during a practice at the U.S. Air Force Academy in Colorado Springs, Colo., April 23, 2012. Hook, a native of Altoona, Pa., sustained injuries while serving in Iraq in support of Operation Iraqi Freedom in 2009. Hook will be competing in the track and field events in the upcoming Warrior Games beginning April 30, 2012.