180215-N-GD109-0264 SOUTH CHINA SEA (Feb. 15, 2018) Naval Aircrewman (Helicopter) 2nd Class Sebastian Mendieta, assigned to the “Black Knights” of Helicopter Sea Combat Squadron (HSC) 4, serves as crew chief inside an MH-60S Sea Hawk helicopter during a search and rescue exercise with Nimitz-class aircraft carrier USS Carl Vinson (CVN 70). Carl Vinson Strike Group is currently operating in the Western Pacific as part of a regularly scheduled deployment. (U.S. Navy Photo by Mass Communication Specialist 2nd Class Z.A. Landers/Released)