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…
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.
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.