Photographic negative of a captured Japanese Type A Kō-hyōteki-class submarine (number 51) on display, Guam, circa 1944-1950. Three servicemen, one sitting under a tree, are visible on the left.
Photographic negative of U.S. Navy servicemen with a captured Japanese Type A Kō-hyōteki-class submarine (number 51), Guam, circa 1944-1950. Elmer A. Ball is third from the left, standing. The other men are identified by last name in a caption…
USS Pollack Silent Defense plaque, circa 1967. The plaque has a raised metal section featuring a relief of the submarine, USS. Pollack (SSN-603), with a fish. Includes metal hardware on back.
Born-digital video recording of an oral history with Donald M. "Don" Ulmer and interviewer John Barth, recorded as part of The Museum of Flight Oral History Program, June 19, 2017.