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
Queen of the Mississippi (2015 ship) Queen of the Mississippi (2015 ship) Queen of the Mississippi, originally "American Eagle", is an overnight riverboat owned and operated by American Cruise Lines (ACL). She entered service in Spring 2015 and was built by Chesapeake Shipbuilding in Salisbury, Maryland for overnight river cruising within the continental United States. The vessel accommodates 150 passengers in her 84 staterooms . The vessel is a sister ship of a similar design to "American Pride", which originally carried the "Queen of the Mississippi" name from 2012-2015. However, there are some differences between the vessels like internal arrangement and cabins on the 5th deck.