170628-N-AX638-0016 PACIFIC OCEAN (June 28, 2017) Sonar Technician (Surface) 3rd Class Krystal Harrison stands watch in the sonar control center aboard the Arleigh Burke-class guided-missile destroyer USS Howard (DDG 83). The ship is deployed to the U.S. 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 2nd Class Tyler Preston/Released)