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The Koon shot of Operation Castle was a test of a thermonuclear device designed at the University of California Radiation Laboratory (UCRL), now Lawrence Livermore National Laboratory. The "dry" two-stage device was known as "Morgenstern" and had a highly innovative secondary stage.
The test was part of the Koon shot of Operation Castle. The Mk-22 failed to achieve anything like its intended yield due to premature heating of the secondary from exposure to neutrons. As the other UCRL test planned for the Castle series, the liquid-fueled "Ramrod" device had the same basic design flaw, that test was canceled
Such fizzles can have very high yields, as in the case of Castle Koon, where the secondary stage of a device with a 1 megaton design fizzled, but its primary still generated a yield of 100 kilotons, and even the fizzled secondary still contributed another 10 kilotons, for a total yield of 110 kT.
Operation Castle was a United States series of high-yield (high-energy) nuclear tests by Joint Task Force 7 (JTF-7) at Bikini Atoll beginning in March 1954. It followed Operation Upshot–Knothole and preceded Operation Teapot .
Mark 14 nuclear bomb. Castle Union was the code name given to one of the tests in the Operation Castle series of United States nuclear tests.It was the first test of the TX-14 thermonuclear weapon (initially the "emergency capability" EC-14), one of the first deployed U.S. thermonuclear bombs.
Inchgalbraith is, as its name implies, connected with Clan Galbraith, and was one of their strongholds. [1] The remains of their ancient castle can still be seen. [2] It is possibly a crannog. [3]
Fanling Lodge is an official residence of the Chief Executive of Hong Kong, which serves as a country house and occasionally hosts official functions. [1] Built in 1934 as a summer residence for the then Governor of Hong Kong, Fanling Lodge was granted a Grade I historic building status in 2014, amid concerns about its inclusion within a new town development plan.
McDermott's Castle is a castle and protected national monument located in County Roscommon, Ireland. [2] The site of a fortification since at least the 13th century, the structure's tower house may date from the 16th century, with much of the current building (including its crenellations ) dating to the 19th century.
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