Tonkawa II YTB-786
(YTB-786: dp. 356 (f.); 1. 109'; b. 31'; dr. 14'; s. 12
k.; cpl. 12; cl. Natick)
The second Tonkawa (YTB-786) was laid down on 22 December 1965 at Marinette, Wis., by the Marinette Marine Corp.; launched on 15 March 1966; and placed in service in June 1966. Tonkawa was then assigned to duty at Advanced Bases, Atlantic Area, and provided tug and tow services for the Atlantic Fleet into October 1979.