All participants and coaches of the 2013 Marine Corps Trials pose for a group photo at the end of the opening ceremony held in Camp Pendleton, Calif., Feb. 28, 2013. The Trials are hosted by the Wounded Warrior Regiment, the Marine Corps command that provides non-medical care to wounded, ill, injured Marines and their families. The Trials begin March 1, 2013 and end March 6, 2013.