Submarine earthquake — A submarine earthquake is an earthquake which occurs underwater at the bed of the sea. They can produce tsunamis, also known as harbor waves or tidal waves . The magnitude can be measured scientifically by the use of either the Richter scale or… … Wikipedia
Romanche Gap — ▪ submarine depression, Atlantic Ocean also called Romanche Deep, or Romanche Trench, narrow submarine depression lying near the Equator in the mid Atlantic Ocean and trending east west between the shoulders of South America and Africa.… … Universalium
GIUK gap — the gap being the open ocean between these three landmasses. The term is typically used in relation to military topics.Importance to Royal NavyThe GIUK gap is particularly important to the Royal Navy, as any attempt by northern European forces to … Wikipedia
Anti-submarine warfare — (ASW or in older form A/S) is a branch of naval warfare that uses surface warships, aircraft, space craft or other submarines to find, track and then damage or destroy enemy submarines. Like many forms of warfare, successful anti submarine… … Wikipedia
Mid-Atlantic gap — The Mid Atlantic Gap was the gap in coverage by land based Coastal Command antisubmarine (A/S) aircraft during the Battle of the Atlantic in the Second World War. It is frequently known as The Black Pit, as well as the Atlantic Gap, Air Gap,… … Wikipedia
Delta class submarine — Delta IV class nuclear powered ballistic missile submarine. The Delta class (Project 667B) is a class of submarines which formed the backbone of the Soviet and Russian strategic submarine fleet since its introduction in 1973. They carry nuclear… … Wikipedia
Russian submarine K-141 Kursk — An Oscar II class submarine drawing Career (Russia) … Wikipedia
Upholder/Victoria class submarine — The Upholder / Victoria class submarines, also known as the Type 2400 (due to their displacement of 2,400t), are diesel electric Fleet submarines designed in the UK in the late 1970s to supplement the Royal Navy s nuclear submarine force. In 1998 … Wikipedia
French Barracuda class submarine — The Barracuda class is a planned nuclear attack submarine class of the French Marine Nationale , designed by the French shipbuilder DCNS to replace the Rubis class submarines. Barracudas will use technology from the Triomphant class , including… … Wikipedia
Air gap — may refer to: * Air gap used in transformers to limit short circuit current. * Air gap (computing) in computer networks to isolate sections physically. * Air gap (plumbing) in context of plumbing. * Air gap was the area not covered by American,… … Wikipedia
