170624-N-AX638-0077 PACIFIC OCEAN (June 24, 2017) Sailors participate in medical response training aboard the Arleigh Burke-class guided-missile destroyer USS Howard (DDG 83). The ship is on an underway period in the U.S. 7th fleet are 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)