WATERS OFF GUAM (June 28, 2017) U.S. Navy Sailors conduct flight operations aboard the aircraft carrier USS Nimitz (CVN 68), June 28, 2017, in the Pacific Ocean. Nimitz is currently on an underway period in the 7th fleet area of operations. The U.S. Navy has patrolled the Indo-Asia Pacific routinely for more than 70 years promoting regional peace and security. (U.S. Navy photo by Mass Communication Specialist 3rd Class Ian Kinkead)