Aerial view of William Cramp & Sons shipyard, Philadelphia, Pennsylvania, United States, 15 Mar 1943Launching of submarine Hackleback, Philadelphia, Pennsylvania, United States, 30 May 1943USS Hackleback, circa 1944USS Hackleback, circa 1945
Aerial view of William Cramp & Sons shipyard, Philadelphia, Pennsylvania, United States, 15 Mar 1943Launching of submarine Hackleback, Philadelphia, Pennsylvania, United States, 30 May 1943USS Hackleback, circa 1944USS Hackleback, circa 1945
52 submarines and 4 submarine tenders of the US Navy Reserve Fleet, Mare Island Navy Yard, California, United States, circa Jan 1946USS Dentuda, USS Searaven, and USS Tuna in foreground, with USS Parche, USS Bluegill, and USS Hackleback also present, at Mare Island Naval Shipyard, Vallejo, California, United States, 17 Oct 1946
52 submarines and 4 submarine tenders of the US Navy Reserve Fleet, Mare Island Navy Yard, California, United States, circa Jan 1946USS Dentuda, USS Searaven, and USS Tuna in foreground, with USS Parche, USS Bluegill, and USS Hackleback also present, at Mare Island Naval Shipyard, Vallejo, California, United States, 17 Oct 1946
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