Marine veteran Joe Elder, 40, from Knoxville, Tenn., sights in on his target during archery practice at the Marine Corps Trials aboard Camp Pendleton Calif., March 5, 2014. The fourth annual Marine Corps Trials is being held March 4-12. Athletes will compete in archery, cycling, shooting, swimming, track, field, sitting volleyball, and wheelchair basketball. The Marine Corps Wounded Warrior Regiment enables wounded, ill, or injured Marines to focus on their abilities and to find new avenues to thrive.