UNDERWATER AWARD Navy Secretary Ray Mabus presents an award to Marine Corps Gunnery Sgt. Bo Irving, a combatant diver course instructor, in the aquatic training facility at Naval Diving and Salvage Training Center in Panama City, Fla., May 27, 2015. The center is the largest diving training facility in the world. SHARE IMAGE: Download Image: Full Size (0.07 MB) Photo By: VIRIN: 548740-U-AMV17-768.jpg Photo Gallery