Word: jointly
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Dates: during 1980-1989
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...smoke and flame appeared near a joint between the bottom two segments of the solid fuel rocket...
...Bethesda, Md., home of Secretary of State George Shultz, at which the President's special envoy, Philip Habib, who had returned from Manila only hours before, presented a report on his trip. In attendance were Caspar Weinberger, the Secretary of Defense; Admiral William Crowe Jr., chairman of the Joint Chiefs of Staff; Robert Gates, deputy director for intelligence of the Central Intelligence Agency; and John Poindexter, the National Security Adviser. Also present were three officials who had been preoccupied with the Philippine crisis for months: Michael Armacost, Under Secretary of State for Political Affairs; Paul Wolfowitz, Assistant Secretary of State...
...from ordering a retaliatory attack. Said one senior U.S. military officer: "This is the single most dangerous document I have ever seen." The Pentagon dispatched an official with a top security clearance to round up copies and destroy them in a high-security incinerator in the offices of the Joint Chiefs...
...accompanied by 35-m.p.h. gusts for hours before Challenger was launched, and on the right booster, which had clearly failed. Less than half a second after booster ignition, just as the shuttle began to lift, first a white and then a black puff of smoke gushed from a joint between two of the 149-ft. rocket's four segments. At 59.8 seconds, high in the sky, flame burst through the booster's steel casing, apparently at the same aft joint. In another 13 seconds, the external tank that fueled the orbiter's three main engines exploded in a catastrophic, fatal...
...most rocket experts, the telltale black smoke meant that right from the start, at least one of the two synthetic rubber O rings that were meant to seal the joint between the rocket's segments had begun to burn. Roughly a quarter-inch thick and 37.5 ft. in circumference, the large O rings rest in grooves at the three joints. Like the washers that prevent faucets from leaking, they are designed to keep the rocket's exhaust gases from escaping through any gaps in the joints. These are especially vulnerable under the immense forces generated at lift-off (the entire...