160530-N-YK236-001 NAVAL BASE KITSAP-BREMERTON, Wash. (May 30, 2016) Sailors aboard USS Nimitz (CVN 68) perform a 21-gun salute using a 40 mm saluting cannon in honor of Memorial Day. Nimitz is currently undergoing an extended planned incremental maintenance availability at Puget Sound Naval Shipyard and Intermediate Maintenance Facility where the ship is receiving scheduled maintenance and upgrades. (U.S. Navy photo by Mass Communication Specialist 3rd Class Chad D. Anderson/Released)