U.S. Navy Aviation Electronics Technician 2nd Class David Walters loads new computer software into an F/A-18F Super Hornet multi-mission fighter/attack aircraft, while it is parked on the flight deck of the Nimitz Class Aircraft Carrier USS NIMITZ (CVN 68), on Dec. 2, 2006, while the NIMITZ is currently underway conducting Composite Training Unit Exercise off the Southern California coast. (U.S. Navy photo by Mass Communication SPECIALIST SEAMAN Joseph Pol Sebastian) (Released)