deployment in depth
51Diving bell — A diving bell is a rigid chamber used to transport divers to depth in the ocean. The most common types are the wet bell and the closed bell. The wet bell is a cable suspended chamber, open at the bottom like a moon pool structure, that is lowered …
52USS O'Brien (DD-725) — For other ships of the same name, see USS O Brien. USS O Brien (DD 725), off Boston, Massachusetts, 3 May 1944 Career (US) …
53USS William M. Wood (DD-715) — For other ships of the same name, see USS William M. Wood. For ships named USS Wood, see USS Wood. Career …
54USS Johnston (DD-821) — For other ships of the same name, see USS Johnston. Career (United States) …
55USS Richard B. Anderson (DD-786) — Career (United States) …
56Germany — /jerr meuh nee/, n. a republic in central Europe: after World War II divided into four zones, British, French, U.S., and Soviet, and in 1949 into East Germany and West Germany; East and West Germany were reunited in 1990. 84,068,216; 137,852 sq.… …
57Delta 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… …
58Operation Barbarossa — Part of the Eastern Front of World War II …
59Airbag — An airbag is part of a vehicle s safety restraint system, a flexible envelope designed for rapid inflation in an automobile collision, to prevent vehicle occupants from striking hard interior objects such as steering wheels. It is considered a… …
60HMS Ark Royal (91) — HMS Ark Royal (pennant number 91) was an aircraft carrier of the Royal Navy that served in the Second World War and was torpedoed on 13 November 1941 by the German submarine U 81 , sinking the following day.Designed in 1934 to fit within the… …
