At sea with USS John F. Kennedy (CV 67) Battlegroup - The fast combat support ship USS Seattle (AOE 3) provides fuel and cargo to the guided missile frigate USS Underwood (FFG 36) and to the aircraft carrier USS John F. Kennedy during a replenishment at sea (RAS). The Kennedy Battlegroup is on a regularly scheduled deployment conducting combat missions in support of Operation Enduring Freedom. U.S. Navy photo by Photographerâs Mate 1st Class Jim Hampshire.