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USS Duluth (LPD-6) was an Austin-class amphibious transport dock commissioned by the United States Navy in 1966. Throughout her service, Duluth participated in numerous major operations, including troop and equipment landings during the Vietnam War and support missions during Operation Frequent Wind, the evacuation of Saigon in 1975. In subsequent decades, she provided critical support for humanitarian missions and military exercises around the globe, including deployments to the Persian Gulf during Operation Desert Storm. After nearly four decades of service, USS Duluth was decommissioned in 2005, leaving a legacy of versatility and dedication to amphibious operations.

USS Preble (DDG-46) was a Farragut-class guided missile destroyer commissioned into the United States Navy on May 9, 1960. Named after Commodore Edward Preble, a hero of the First Barbary War, the ship served prominently during the Cold War era. Preble participated in various operations, including deployments to the Mediterranean with the 6th Fleet and support missions during the Vietnam War. After over two decades of service, USS Preble was decommissioned on November 15, 1991, and later struck from the Naval Vessel Register.