S-12 just after hitting the water at her launch from the Portsmouth Navy Yard, August 4, 1921. Two tugs have already made up to her and are in the process of of moving her to the fitting out pier.
Milne Special Collections, University of New Hampshire Library, Durham, N.H.
A fine shot of the S-12 underway in the Piscataqua River near the Portsmouth Navy Yard, June 4, 1923.
Milne Special Collections, University of New Hampshire Library, Durham, N.H.