operational protection system
71Chernobyl disaster — This article is about the 1986 nuclear plant accident in Ukraine. For other uses, see Chernobyl (disambiguation). Chernobyl disaster …
72Tank — For other uses, see Tank (disambiguation). Tank A former British Arm …
73Merkava — For the religious/mystical connotations of the word, see Merkabah. Merkava Merkava Mark IV in Yad La Shiryon, Latrun. Type …
74Flight control modes (electronic) — New aircraft designs like this Boeing 777 rely on sophisticated flight computers to aid and protect the aircraft in flight. These are governed by computational laws which assign flight control modes during flight Aircraft with fly by wire flight… …
75Space Shuttle — STS redirects here. For other uses, see STS (disambiguation). This article is about the NASA Space Transportation System vehicle. For the associated NASA STS program, see Space Shuttle program. For other shuttles and aerospace vehicles, see… …
76Iowa 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… …
77Space debris — populations seen from outside geosynchronous orbit (GEO). Note the two primary debris fields, the ring of objects in GEO, and the cloud of objects in low earth orbit (LEO) …
78Criticism of the Space Shuttle program — stems from claims that NASA s Shuttle program has failed to achieve its promised cost and utility goals, as well as design, cost, management, and safety issues.[1] More specifically, it has failed in the goal of reducing the cost of space access …
79Smart grid — Public infrastructure …
80T-44 — This article is about the Soviet medium tank. For the military training aircraft, see Beechcraft King Air. T 44 T 44A in Brest, Belarus Type Medium …
