Naval mine ship, HMHS "Britannic", which was the sister ship of the RMS "Titanic." During World War II, the U-boat fleet, which dominated much of the battle of the Atlantic, was small at the beginning of the war and much of the early action by German forces involved mining convoy routes and ports around Britain. German submarines also operated in the Mediterranean Sea, in the Caribbean Sea, and along the U.S. coast. Initially, contact mines (requiring a ship to physically strike a mine to detonate it) were employed, usually tethered at the end of a cable just below the surface of the
Semyon Budyonnyy (ship) Semyon Budyonnyy (ship) The Semyon Budyonnyy () is a "Valerian Kuybyshev"-class (92-016, OL400) Soviet/Russian river cruise ship, cruising in the Volga basin. The ship was built by "Slovenské Lodenice" at their shipyard in Komárno, Czechoslovakia, and entered service in 1981. At 3,950 tonnes, "Semyon Budyonnyy" is one of the world's biggest river cruise ships. Her sister ships are "Valerian Kuybyshev", "Fyodor Shalyapin", "Feliks Dzerzhinskiy", "Sergey Kuchkin", "Mikhail Frunze", "Mstislav Rostropovich", "Aleksandr Suvorov" and "Georgiy Zhukov". "Semyon Budyonnyy" is currently owned and operated by Vodohod, a Russian river cruise line. Her home port is currently Nizhny Novgorod. The ship has two