Convoys of the 7th Fleet of United States Navy supply shipments to blockaded Quemoy, Taiwan, in Formosa Strait. U.S. carriers in the sea and fighter planes aboard. Fighter planes take off from the strip of one of the carrier. Carriers stop near the shore and supply liners cruise towards the shore of Quemoy. Commanders aboard a ship make plans and bombardiers on alert near an artillery gun on a ship.