Marines with Expeditionary Operations Training Group, II Marine Expeditionary Force, ensure harnesses and safety gear are secure and supervise the training as cadets rappel off the tower during a summer leadership camp aboard Camp Lejeune, North Carolina, June 17, 2015. Cadets with Marine Corps Junior Reserve Officers' Training Corps, from high schools across the East Coast, are instructed step by step through rappelling off the 40 ft. tower.