The third USS Adirondack (AGC-15) was laid down on 18 November 1944 under a Maritime Commission contract by the North Carolina Shipbuilding Company in Wilmington, North Carolina; launched on 13 January 1945, sponsored by Mrs. E. L. White; transferred to the Navy on 4 February 1945; towed to the Philadelphia Naval Shipyard for conversion; and commissioned on 2 September 1945, the day Japan surrendered on board the battleship Missouri (BB-63) in Tokyo Bay, with Captain R. O. Myers in command.