Word: multimegaton
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Officials reported that no radiation leaked from the missile, which was tipped with a multimegaton nuclear warhead. But the explosion was the second accident of the week involving U.S. nuclear weapons; the first was a fire at Grand Forks Air Force Base, N. Dak., that damaged a B-52 bomber thought to be carrying 32 shortrange, nuclear missiles...
...Francisco, there is another locked section. Sooner or later, such segments will have to catch up with the inexorable-movement of the opposing plates. If they do so in one sudden jolt, the resulting earthquakes, probably in the 7-to 8-pt. Richter range and packing the energy of multimegaton hydrogen bombs, will cause widespread destruction in the surrounding areas...
...Atomic Energy Commission's announcement that it planned to test a multimegaton nuclear device under the Aleutian island of Amchitka last November touched off a shock wave of protest. Some critics charged that the explosion of an H-bomb in a region that was already known to be seismically active could trigger devastating quakes and the great sea waves, known as tsunamis, that often follow them. Environmentalists made dire predictions of a wildlife massacre. Nonetheless, the test took place, and it did not cause serious tremors or lasting environmental damage. Instead, after months of careful analysis, U.S. Government scientists...
...believe that Safeguard could be shelved by substantially hardening ICBM sites at a smaller cost ($6 billion to $7 billion). The Pentagon wants to do that in addition to Safeguard; the Air Force is already seeking out "hard rock" silo locations that would make ICBMs more resistant even to multimegaton near misses. Wiesner, Rathjens and Weinberg suggest that the number of ICBMs could be doubled for the price of Safeguard, which would mean that more than 1,000 missiles would survive an attack by the 420 SS-9s that the Pentagon's Foster hypothesized. Wohlstetter answers: "There are safer...
...landed on Spanish soil and were readily recovered. The fourth fell into the sea just short of Almeria. Fishermen quickly rescued the bomber's four survivors but not the bomb. Some 2,000 American servicemen from Spanish bases undertook the search. To be sure, none of the deadly, multimegaton nuclear-bomb cases was armed, and all were packaged in radiation-proof shells. But, just the same, everyone wanted all of them found...