A Naval Reserve Officers Training Corps midshipman 2nd class builds a survival shelter. The midshipman trained at Marine Corps Mountain Warfare Training Center Bridgeport, Calif. and was taught survival and tactical skills in a mountainous environment, July 15. The 10-day training period was part of annual summer training for 155 midshipmen. (Official U.S. Navy photo by Lt. Matthew Comer) - A Naval Reserve Officers Training Corps midshipman 2nd class builds a survival shelter. The midshipman trained at Marine Corps Mountain Warfare Training Center Bridgeport, Calif. and was taught survival and tactical skills in a mountainous environment, July 15. The 10-day training period was part of annual summer training for 155 midshipmen. (Official U.S. Navy photo by Lt. Matthew Comer)