USS Harder (SS-257), a Gato-class submarine, was the first ship of the United States Navy to be named for the harder, a fish of the mullet family found...

German submarine U-735 was a Type VIIC U-boat built for Nazi Germany's Kriegsmarine for service during World War II. German Type VIIC submarines were...

was powered by two AEG GU 460/8-276 (except in U-45, U-46, U-49, U-51, U-52, U-54, U-73 to U-76, U-99 and U-100, which retained the BBC motor of the VIIA)...

German submarine U-995 is a Type VIIC/41 U-boat of Nazi Germany's Kriegsmarine. She was laid down on 25 November 1942 by Blohm & Voss in Hamburg, Germany...

German submarine U-257 was a Type VIIC U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down at the Bremer Vulkan yard at Bremen-Vegesack...

German submarine U-96 was a Type VIIC U-boat of the German Navy (Kriegsmarine) during World War II. It was made famous after the war in Lothar-Günther...

German submarine U-1060 was a Type VIIF submarine of Nazi Germany's Kriegsmarine in World War II. U-1060 was one of four Type VIIF torpedo transport submarines...

final design of mount used on U-boats and is only known to be installed on (U-249, U-826, U-1023, U-1171, U-1305 and U-1306).[citation needed] The 3.7 cm...

German submarine U-47 was a Type VIIB U-boat of Nazi Germany's Kriegsmarine during World War II. She was laid down on 25 February 1937 at Friedrich Krupp...

energy. Discrepancies between the metric and U.S. diameters of the bullet may cause some confusion. A .257 bullet has a metric bullet diameter of 6.53 mm...