Russian submarine U-434 (1976) now a museum in Hamburg harbor near St Pauli Fish Market. Hamburg, Germany. | Russian submarine U-434, one of the largest non-nuclear subs in the world, now a museum in Hamburg harbor. Hamburg, Germany. | Russian submarine U-434 used for espionage during the Cold War (1976 until 2002) now a museum in Hamburg harbor. Hamburg, Germany. | Russian submarine U-434, now a museum in Hamburg harbor with bear emblem on sail supporting periscopes, snorkel & other sensors. Hamburg, Germany. |