Cadet Jacob Waters (left) and Cadet Michael Carnevale (right), students with the Parkwood High School Air Force Junior Reserve Officers' Training Corps (AFJROTC) program, Monroe, N.C., navigate an obstacle at the 4th Recruit Training Battalion Obstacle Course aboard Marine Corps Recruit Depot Parris Island, S.C., Dec. 4, 2014. The Parkwood High School AFJROTC made a 4 day visit to Parris Island to experience what make the Marine Corps unique. (U.S. Marine Corps photo by Cpl. Chase S. Tillett MCRD Parris Island Combat Camera/Released)