U.S. Marine Corps Gunnery Sgt. Matthew Hammond (rear) and Staff Sgt. Adam Vickery cross the finish after completing the 20K recumbent cycling race during the 2015 Marine Corps at Camp Pendleton, Calif., March 8, 2015. The Marine Corps Trials allow wounded, ill, and injured military service members to recover by competing in events such as archery, cycling, shooting, swimming, track and field, seated volleyball, and wheelchair basketball. (U.S. Marine Corps photo by Staff Sgt. Evan P. Ahlin, MCIWEST-MCB CamPen Combat Camera/Released)