USS West Elcasco (ID-3661) was a steel-hulled cargo ship which saw service as an auxiliary with the U.S. Navy in World War I and as an Army transport in World War II.
USS West Elcasco at Philadelphia, March 1919
West Elcasco just after launch, before the completion of her superstructure
German submarine U-158 (1941)
German submarine U-158 was a Type IXC U-boat of Nazi Germany's Kriegsmarine built for service during World War II.
U-505, a typical Type IXC boat