High Quality Content by WIKIPEDIA articles! SS Mission Loreto was a Type T2-SE-A2 tanker built for the United States Maritime Commission during World War II. After the war she was acquired by the United States Navy as USS Mission Loreto (AO-116). Later the tanker transferred to the Military Sea Transportation Service as USNS Mission Loreto (T-AO-116). She was a member of the Mission Buenaventura-class oiler and was named for Misión de Nuestra Señora de Loreto Conchó, located in Loreto, Baja California Sur, Mexico, considered the "Head and Mother of all the California Missions."