The Arleigh Burke class guided-missile destroyer USS Gridley prepares to pull alongside the Military Sealift Command fast combat support ship USNS Bridge as two MH-60S Sea Hawks assigned to the "Blackjacks" of Helicopter Sea Combat Squadron 21 transfer supplies to the Nimitz-class aircraft carrier USS Ronald Reagan during a vertical replenishment. Bridge and HSC-21 transferred more than 300 pallets of supplies, stores and mail to Ronald Reagan. The Ronald Reagan Carrier Strike Group is on a scheduled deployment in the U.S. 7th Fleet area of responsibility.