170327-N-CG677-100 7TH FLEET AREA OF OPERATIONS (March 27, 2017) USS Carl Vinson (CVN 70) medical department Sailors transport a notional casualty during an active shooter drill on the aircraft carrier. The ship and its carrier strike group are on a regularly scheduled Western Pacific deployment as part of the U.S. Pacific Fleet-led initiative to extend the command and control functions of U.S. 3rd Fleet. U.S Navy aircraft carrier strike groups have patrolled the Indo-Asia-Pacific regularly and routinely for more than 70 years. (U.S. Navy photo by Mass Communication Specialist Seaman Jake Cannady/Released)