170427-N-JH929-064 PACIFIC OCEAN (April 27 , 2017) Cmdr. John Kurtz, executive officer of the aircraft carrier USS Nimitz (CVN 68), addresses the crew during an all-hands call regarding their successful completion of a composite training unit exercise. Nimitz is underway conducting routine operations in the Pacific Ocean. (U.S. Navy photo by Mass Communication Specialist Seaman Cole Schroeder/Released)