The USNS Maumee (T-AO-149), later reclassified as T-AOT-149, was a Maumee-class oiler serving non-commissioned roles within the United States Navy from 1956 until the mid-1980s. Constructed at Sun Shipbuilding and Drydock Company in Chester, Pennsylvania, she was laid down on March 18, 1955, and launched on November 15, 1955. The ship was sponsored by Mrs. Lloyd Harrison and represented the fourth vessel to bear the name Maumee in U.S. naval history. As the lead vessel of her class, Maumee was notable for being the first naval ship launched as a United States Naval Ship (USNS) designed specifically for non-commissioned service with a civilian crew. Built along commercial tanker lines for the Military Sea Transportation Service (later Military Sealift Command), she was intended primarily for the transport and delivery of bulk petroleum. Following her completion, Maumee was operated under a long-term charter by Marine Transport Lines, emphasizing her role as a civilian-crewed, non-commissioned vessel. Maumee's operational history included significant service in the Pacific, beginning around 1958, where she supported U.S. military operations by delivering fuel supplies. Notably, from 1968 to 1971, she participated in Operation Deep Freeze II, transporting fuel to McMurdo Sound in Antarctica. Her deployment in this mission was remarkable as she was the largest ship to visit the Antarctic continent, escorted into the ice pack by icebreakers. In her later years, Maumee was reclassified as a transport oiler, changing her designation from T-AO-149 to T-AOT-149. She was eventually placed out of service, likely in the mid-1980s, and was struck from the Naval Vessel Register. On December 23, 1994, she was transferred to the Maritime Administration and laid up in the National Defense Reserve Fleet at Beaumont, Texas. The vessel was ultimately sold for scrapping to ESCO Marine of Brownsville, Texas, on November 9, 2006, and was dismantled beginning in January 2007. Her service record underscores her role in supporting U.S. military logistics and her significance as a pioneering non-commissioned naval tanker.

This description has been generated using GPT-4.1-NANO based on the Vessel's wikidata information and then modified by ShipIndex.org staff.