An air crewman looks down from an MH-60S Knighthawk assigned to the "Black Jacks" of Helicopter Sea Combat Squadron 21, as it transports cargo from the fast combat support ship USNS Rainier onto the flight deck of the aircraft carrier USS Ronald Reagan during a replenishment at sea evolution. The Knighthawk is used for logistics support, vertical replenishment, search and rescue and naval special warfare support. Ronald Reagan is currently deployed in the U.S. 5th Fleet area of operations. Operations in the U.S. 5th Fleet area of operations are focused on reassuring regional partners of the United States' commitment to security, which promotes stability and global prosperity.