150418-N-OI810-116 PACIFIC OCEAN (April 18, 2015) Aviation Boatswain’s Mate [Handling] Airman Jerrod Essway, from San Diego, checks the aqueous film forming foam (AFFF) nozzles aboard the aircraft carrier USS Ronald Reagan (CVN 76) as the ship conducts a test of its countermeasure wash-down system. Reagan is underway conducting sea trials, one of the final stages of its planned incremental availability maintenance period. (U.S. Navy photo by Mass Communication Specialist 3rd Class Nathan Burke/Released)