naval ships advanced communications system
51List of Chinese inventions — A bronze Chinese crossbow mechanism with a buttplate (the wooden components have …
52Type 45 destroyer — The United Kingdom s Type 45 destroyer (also known as the D or Daring class) is a state of the art air defence destroyer programme of the Royal Navy. The first ship in the class, HMS Daring , was launched on February 1 2006 and is expected to… …
53space exploration — Investigation of the universe beyond Earth s atmosphere by means of manned and unmanned spacecraft. Study of the use of rockets for spaceflight began early in the 20th century. Germany s research on rocket propulsion in the 1930s led to… …
54military technology — Introduction range of weapons, equipment, structures, and vehicles used specifically for the purpose of fighting. It includes the knowledge required to construct such technology, to employ it in combat, and to repair and replenish it.… …
55Iowa class battleship — The Iowa class battleships were a class of six fast battleships ordered by the United States Navy in 1939 and 1940 to escort the Fast Carrier Task Forces that would operate in the Pacific Theater of World War II. Four were completed in the early… …
56Collins class submarine — HMAS Rankin, sixth submarine of the Collins class, underway in 2006 Class overview Builders: Australian Submarine Corporatio …
57People's Liberation Army Navy — 中国人民解放军海军 People s Liberation Army Navy Active since September 1950 …
58Ultra — (sometimes capitalised ULTRA) was the name used by the British for intelligence resulting from decryption of encrypted German radio communications in World War II. The term eventually became the standard designation in both Britain and the United …
59USS Scorpion (SSN-589) — was a Skipjack class nuclear submarine of the United States Navy, and the sixth ship of the U.S. Navy to carry that name. Scorpion was declared lost on June 5, 1968,cite web |date=2007 |url = http://www.submarinehistory.com/Scorpion.html|title =… …
60United States Navy — USN redirects here. For other uses, see USN (disambiguation). United States Navy Un …
