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The homes in the study were constructed in such a way as to minimize the thermal effects of Annie, with an eye towards determining if, in the absence of fire, the basement of the closer home — 3,500 feet (1,100 m) from the hypocenter — might shelter its occupants, while the second — at 7,500 feet (2,300 m) — could remain standing. [4]
Operation Upshot–Knothole was a series of eleven nuclear test shots conducted in 1953 at the Nevada Test Site. It followed Operation Ivy and preceded Operation Castle . Over 21,000 soldiers took part in the ground exercise Desert Rock V in conjunction with the Upshot-Knothole Grable shot. [ 1 ]
The M65 atomic cannon, often called Atomic Annie, [6]: 92 was an artillery piece built by the United States and capable of firing a nuclear device. It was developed in the early 1950s, at the beginning of the Cold War ; and fielded between April 1955 and December 1962, in West Germany , South Korea and on Okinawa .
Upshot–Knothole Grable was a nuclear weapons test conducted by the United States as part of Operation Upshot–Knothole. Detonation of the nuclear weapon , a W9 warhead , occurred 19 seconds after its deployment at 8:30am PDT (1530 UTC ) on May 25, 1953, in Area 5 of the Nevada Test Site .
They publish animated videos of both traditional nursery rhymes and their own original children's songs. As of April 30, 2011, it is the 105th most-subscribed YouTube channel in the world and the second most-subscribed YouTube channel in Canada, with 41.4 million subscribers, and the 23rd most-viewed YouTube channel in the world and the most ...
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Upshot-Knothole Dixie was the fourth test-firing of Operation Upshot–Knothole, an atomic weapons test series conducted in 1953 by the United States at the Nevada Test Site. Upshot-Knothole Dixie was an 11-kiloton airdrop shot which detonated at 6,000 feet altitude, the highest air burst detonation conducted to that date.
Upshot–Knothole Encore was a nuclear weapons test conducted by the United States as part of Operation Upshot–Knothole. It took place on May 8, 1953 in Yucca Flat , in the Nevada Test Site . [ 1 ]