High Quality Content by WIKIPEDIA articles! USS Penobscot (ATA-188/ATR–115) -- a Sotoyomo-class auxiliary fleet tug -- was originally placed in service by the U.S. Navy as USS ATA–188 until she was renamed USS Penobscot (ATA-188) 16 July 1948. She served in the Pacific Ocean during World War II, and on the U.S. East Coast after the war’s end. She was finally decommissioned in 1971.