Christopher Hancock, from Crossville, Tenn., and Wounded Warrior Battalion East prepares to ride during the 2014 Marine Corps Trials March 7. The Marine Corps Wounded Warrior Regiment enables wounded, ill, or injured Marines to focus on their abilities and to find new avenues to thrive. The fourth annual Marine Corps Trials is being held at Marine Corps Base Camp Pendleton, Calif., March 4-12. Athletes will compete in archery, cycling, shooting, swimming, track, field, sitting volleyball, and wheelchair basketball.