An Indian word meaning “ship.”
(YTB–521: dp. 237; l. 100’; b. 25’; dr. 11’6”; s. 12 k.; Cpl. 8; cl. Hisada)
Nab igwon (YTB–521) was laid down 28 February 1945 by Gibbs Gas Engine Co., Jacksonville, Fla.; launched 1 June 1945; sponsored by Mrs. Hollis U. Bible; delivered 22 October 1945, and assigned to the 12th Naval District.
Upon arrival San Francisco, Nabigwon was assigned advanced base duty in the Pacific. In addition to towing and berthing services, she has provided harbor fire protection and has been utilized as an inner harbor patrol craft.
Redesignated YTM in February 1962, Nabigwon has remained active as a medium harbor tug at Pearl Harbor into 1970.