
Portobago
(YTB–413: dp. 345 (f.); l. 100’; b. 26’; dr. 10’; s. 12 k.; cpl. 14; cl. Sassaba)
Portabago (YTB–413) was laid down 11 July 1944 by Ira S. Bushey and Sons, Inc., Brooklyn, N.Y.; launched 30 September 1944; and delivered to the Navy 11 June 1945.
Following delivery Portabago was placed in service and assigned to the Pacific Fleet for occupation service, 21 October 1945–1 September 1947. Since that time she has continued to provide tug service for Navy ships in the Yokosuka area. Redesignated in February 1962, she serves as YTM–413 into 1970.