PACIFIC OCEAN (Dec. 3, 2020) Sailors assigned to Nimitz-class nuclear aircraft carrier USS Carl Vinson (CVN 70) return to their positions after removing chocks and chains from an MH-60S Sea Hawk assigned to the �Black Knights� of Helicopter Sea Combat Squadron (HSC) 4 during a vertical replenishment on the ship�s flight deck. Vinson is currently underway conducting routine maritime operations. (U.S. Navy photo by Mass Communication Specialist 3rd Class Haydn N. Smith)