150712-N-QI595-013 PACIFIC OCEAN (July 12, 2015) - Cmdr. Darren Guenther, USS John C. Stennis’ (CVN 74) air boss, uses a public announcement system to communicate with Sailors during an ammunition transfer. The crew is currently preparing for the Navys Board of Inspection and Survey (INSURV). (U.S. Navy photo by Mass Communication Specialist 2nd Class Marco A. Villasana Jr. / Released)