Joe Townsend, from the United Kingdom, swims laps during the 2012 Marine Corps Trials at Marine Corps Base Camp Pendleton, Calif., Feb. 15, 2012. The U.S. Marine Corps Wounded Warrior Regiment, the command that provides non-medical care to wounded, ill and injured Marines, hosted the trials. The top 50 performing Marines will earn the opportunity to compete in the Wounded Warrior Games in Colorado Springs, Colo., in May.