ATA-190, originally projected as ATR-117, was laid down on 29 September 1944 by the Levingston Shipbuilding Co., Orange, Texas; launched on 26 October 1944; and commissioned on 1 January 1945. Following shakedown, ATA-190, an auxiliary ocean tug, proceeded to Panama; thence, with YN-108 in tow, continued on to Pearl Harbor. Arriving on 4 March, she departed 10 days later; and, on 9 April, she delivered her tows, a YF and a barge, to Guam. Joining ServRon 10 there, she got underway again on the 20th; and, by the end of the month, had delivered a pontoon barge to , Okinawa. On 3 May, she shifted to the Hagushi anchorage. On the 5th, she proceeded to Kerama Retto. On the 6th, she sailed southeast; and, during the remaining months of World War II, she took tows from the Carolines and the New H