High Quality Content by WIKIPEDIA articles! Although originally projected as steel-hulled, seagoing, rescue tug ATR-109, the third Unadilla was re-classified an auxiliary ocean tug and redesignated ATA-182 on 15 May 1944; laid down on 30 June 1944 at Orange, Texas, by the Levingston Shipbuilding Co.; launched on 5 August 1944; and commissioned on 16 October 1944.