Sgt. Matthew S. Davies, a 26th Marine Expeditionary Unit radio operator, climbs the rock wall at the Wallace Creek Fitness Center aboard Marine Corps Base Camp Lejeune, Nov. 12. The indoor rock wall stands 35 ft. tall and has 15 separate belay lines to ensure climber safety. - Sgt. Matthew S. Davies, a 26th Marine Expeditionary Unit radio operator, climbs the rock wall at the Wallace Creek Fitness Center aboard Marine Corps Base Camp Lejeune, Nov. 12. The indoor rock wall stands 35 ft. tall and has 15 separate belay lines to ensure climber safety.