A Marine with 2nd Reconnaissance Battalion conducts a final check of his gear as he prepares to enter the water aboard Camp Lejeune, N.C., Aug. 18, 2015. Marines within the unit are taking part in a preparatory course before they head to the Marine Combatant Diver Course at the Naval Diving and Salvage Training Center, Panama City, Fla., later this year. (U.S. Marine Corps photo by Cpl. Chelsea D. Toombs/Released)