deep-water torpedo
21Timeline of diving technology — This is a timeline of underwater technology. The entries marked ## are about decompression tables.[1] Contents 1 Pre industrial 2 19th century 2.1 Rebreathers appear …
22Scuba diving — Not to be confused with Self contained breathing apparatus, which describes breathing sets used out of water. Scuba diver Scuba diving ( SCUBA originally being an acronym for self contained underwater breathing apparatus, now widely considered a… …
23Anti-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… …
24Frogman — This article is about a type of military diver. For other uses, see Frogman (disambiguation). A French frogman with bag on chest rebreather with 2 breathing tubes (model Oxygers , 1957) …
25chondrichthian — /kon drik thee euhn/, n. any member of the class Chondrichthyes, comprising the cartilaginous fishes. [ < NL, equiv. to chondr CHONDR + Gk ichthýes (pl.) fish] * * * ▪ fish class Introduction class name Chondrichthyes, or Selachii any… …
26Wilhelm Gustloff (ship) — The Wilhelm Gustloff was a German passenger ship constructed by the Blohm and Voss shipyards. She was named after Wilhelm Gustloff, the assassinated German leader of the Swiss Nazi party (NSDAP). The Wilhelm Gustloff was launched on May 5, 1937… …
27Robert Ballard — Robert Duane Ballard (born June 30, 1942 in Wichita, Kansas) is an oceanographer most noted for his work in underwater archaeology. He is most famous for the discoveries of the wrecks of the RMS Titanic in 1985, the battleship Bismarck in 1989,… …
28Canadian Forces Maritime Command — MARCOM redirects here. For the historical (1936–1950) U.S. agency, see United States Maritime Commission. Aircraft! style= text align: left; background: #aacccc; |Aircraft! style= text align: left; background: #aacccc; |Country of Manufacture!… …
29Pearl Harbor advance-knowledge debate — The Pearl Harbor advance knowledge debate is a dispute over what, if any, advance knowledge American officials had of Japan s December 7, 1941 attack on Pearl Harbor.Ever since the Japanese attack there has been debate as to how and why the… …
30Bill King (Royal Navy officer) — William Donald Aelian King Bill King Nickname Bill Born …
