170618-N-GD109-143 PACIFIC OCEAN (June 18, 2017) Naval Aircrewmen 2nd Class Peter Princi, left, and Neal Allen, both assigned to the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4, participate in an air power demonstration above the Nimitz-class aircraft carrier USS Carl Vinson (CVN 70) and the Ticonderoga-class guided-missile cruiser USS Lake Champlain (CG 57) in the Pacific Ocean. 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 Z.A. Landers/Released)