U.S. Navy Hull Maintenance Technician 2nd Class Jessie Lindsay heats up a metal frame while performing maintenance aboard the aircraft carrier USS Nimitz (CVN 68) in the Pacific Ocean April 13, 2013. The Nimitz was underway in the U.S. 3rd Fleet area of responsibility participating in a sustainment training exercise in preparation for a scheduled deployment. (U.S. Navy photo by Mass Communication Specialist 3rd Class Raul Moreno Jr./Released)