John Pruitt (left) pretends to be an “active drowner” while Danny Jones practices a life-saving technique during a lifeguard class at the base pool, Feb. 3, 2014. Pruitt, a Marine Corps instructor in water survival, took the class to be re-certified in first aid and CPR. Marine Corps Community Services aquatics offers American Red Cross lifeguard certification and swimming lessons for all ages. (U.S. Marine Corps photo by Kristen Wong) - John Pruitt (left) pretends to be an “active drowner” while Danny Jones practices a life-saving technique during a lifeguard class at the base pool, Feb. 3, 2014. Pruitt, a Marine Corps instructor in water survival, took the class to be re-certified in first aid and CPR. Marine Corps Community Services aquatics offers American Red Cross lifeguard certification and swimming lessons for all ages. (U.S. Marine Corps photo by Kristen Wong)