The Medicare Coverage Database (MCD) contains all National Coverage Determinations (NCDs) and Local Coverage Determinations (LCDs), local articles, and proposed NCD decisions.
USS Constitution. Launched in Boston in 1797, the oldest commissioned warship afloat earned her nickname Old Ironsides during the War of 1812 when she fought the British frigate HMS Guerriere. During this historic battle, cannonballs fired at USS Constitution appeared to bounce off, causing one of her crew to remark that her sides were made of iron.
Trending Now. Answers. Best Answer: Designation SS stood for Steam Ship which meant in the days between Robert Fulton to the 1920s the ship's boilers was powered by coal or in the case of riverboats, wood. By the 1920s ships began to use oil and the SS designation began to disappear and give way to M.V. which meant Motor Vessel.