High Quality Content by WIKIPEDIA articles! USS Allegheny (ATA-179) was a Sotoyomo-class auxiliary fleet tug launched in 1944 and serving until 1968. She underwent conversion to a research vessel in 1952. The unnamed single-screw ocean-going tug ATA-179 (originally projected as the rescue tug, ATR-106) was laid down on 22 May 1944 at Orange, Texas, by the Levingston Shipbuilding Co.; launched on 30 June 1944; and commissioned on 22 September 1944, Lt. (jg.) Thomas C. McLaren, USNR, in command.