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
RMS Titanic alternative theories list created by the moving of coal inside the ship prior to the encounter with the iceberg. Some of these foremost Titanic experts have published a detailed rebuttal of Molony's claims. RMS Titanic alternative theories The sinking of the RMS "Titanic" in 1912 attracted so much controversy that several alternative theories about its sinking have gained support. One version is that the sunken ship was actually the "Olympic", near-identical sister-ship of the "Titanic", which was the subject of a large insurance claim, and that the two vessels were secretly switched before the voyage. Another was that the "Titanic"s owner, J.P.