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 Charlotte (1810 ship) in 1813. On 10 September 1813, "Queen Charlotte" and the rest of the Lake Erie squadron were captured at the Battle of Lake Erie. The ship entered service with the United States Navy, though after the defeat of the British squadron, saw no further action during the war. Following the war, the ship was intentionally sunk at Put-in-Bay near Erie, Pennsylvania for preservation. Raised and sold into commercial service in 1825, the vessel continued in service until 1844, when the ship was no longer considered serviceable and left to rot as a dismasted hulk. In 1809, with increased threat of