Ensign Joshua Villafane and Fireman Frederick Feliciano reinstall an exhaust manifold on one of U.S. Coast Guard Cutter Boutwell's diesel engines at Naval Base San Diego, July 29, 2013. The Boutwell is a 378-foot high endurance cutter home-ported in San Diego. (U.S. Coast Guard photo by Lt. j.g. Eric Balcunas)