172024-N-CG677-019 SOUTH CHINA SEA (Feb. 24, 2017) Sailors assigned to the aircraft carrier USS Carl Vinson (CVN 70) prepare an MH-60S Sea Hawk helicopter assigned to the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4 for flight operations during a vertical replenishment-at-sea. The Carl Vinson Carrier Strike Group is on a 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 photo by Mass Communication Seaman Jake Cannady/Released)