SUNSET SCRUB U.S. Navy sailors hose down the flight deck of the aircraft carrier USS Ronald Reagan with seawater during a scrub exercise in the Pacific Ocean, Nov. 14, 2010. The exercise is necessary to clean salt water spray off the skin of the ship to prevent corrosion. The Ronald Reagan is preparing for an upcoming deployment. SHARE: Download: Full Size (0.06 MB) Credit: VIRIN: 225027-C-PWX55-339.jpg Photo Gallery