Athletes from Wounded Warrior Battalion East and Wounded Warrior Battalion West compete in the Sitting Volleyball competition. The Marine Corps Trials are a Paralympic style competition in which wounded, ill, and injured Marines, Marine Veterans, and international allies compete in archery, cycling, field, shooting, sitting volleyball, swimming, track, and wheelchair basketball. The 2014 Marine Corps Trials are held aboard Camp Pendleton, Calif. from March 4-12. (Photo by Patrick Onofre.)