Word: tanks
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...time it was canceled last year, the Army's proposed Sergeant York division air-defense (DIVAD) gun had become a symbol of a procurement process gone haywire. After the Pentagon spent $1.8 billion and ten years developing the tank-mounted, radar-guided gun, field tests showed that it had trouble hitting a hovering helicopter. The fiasco left the Army without a weapon to counter the Soviets' high-performance aircraft and growing fleet of nimble helicopters. Some reformers urged the Army to consider simpler and more reliable weapons, perhaps a version of the existing Rapier or the Roland missile systems...
Investigators say the accident occurred when ajoint in a solid rocket booster failed and causedsuperheated gases to burn through the externalfuel tank containing liquid hydrogen and liquidoxygen, triggering the explosion...
...that its officials "knew or should have known that the segments of the right-hand solid rocket booster would not properly seal and that a catastrophic accident would likely occur." It also claims that in the seconds before flames from the leaking booster blew up the shuttle's main tank, Challenger Pilot Smith "knew of his impending death...
...such a marathon would clearly be a lightweight, efficient, flying fuel tank. Eighteen months and many sketches later, when Voyager assumed its basic shape, it was a textbook example of featherweight design and construction. The shell is made from quarter-inch-thick panels of Hexcel honeycomb, a resin-coated, paper-like polymer, covered with graphite fibers embedded in epoxy. The panels weigh just 4 oz. per sq. ft. but have remarkable tensile strength; the ends of the craft's thin, 110-ft. single wing can flex up and down as much as 35 ft. without breaking...
...experts. Said a Boeing enthusiast: "I want to see our President land around this world in the biggest and best America has." Added a former Air Force One pilot: "The President should be able to take off in Washington and turn right or left and get there on one tank of gas -- Moscow or Peking." Security agents want every protection they can devise for these power nomads they must shepherd with increasing frequency through the globe's twilight zones...