170624-N-AX638-0015 PACIFIC OCEAN (June 24, 2017) Sailors participate in a fire drill aboard the Arleigh Burke-class guided-missile destroyer USS Howard (DDG 83). Howard 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)