High Quality Content by WIKIPEDIA articles! USS ATA-218 was an ATA-214-class tug of the United States Navy built near the end of World War II. Originally laid down as Yaupon (YN-96), a net tender of the Ailanthus class, she was redesignated as AN-72, a net layer, before launch. Before completion, the name Yaupon was cancelled and the ship was named ATA-218, an unnamed auxiliary ocean tug.