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W-88 Trident D5 vs. Castle Bravo - Comparison of sizes
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W-88 Trident D5
Castle Bravo

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W-88 Trident D5
Castle Bravo
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W-88 Trident D5

W-88 Trident D5
W-88 Trident D5
Blast Radius Blast Radius5.410km
Fireball Radius Fireball Radius 0.710km
Height Height1.75m
Kilotons Kilotons455kt
Radiation Radius Radiation Radiuskm
Weight Weight175-360kg

The W88 is a United States thermonuclear warhead, with an estimated yield of 475 kilotons (kt), and is small enough to fit on MIRVed missiles. The W88 was designed at the Los Alamos National Laboratory in the 1970s. In 1999, the director of Los Alamos who had presided over its design described it as "the most advanced U.S. nuclear warhead". As of 2014, the latest version is called the W88 ALT 370, and the first production unit is scheduled for December 2019.



The Trident II submarine-launched ballistic missile (SLBM) can be armed with up to 8 W88 warheads (Mark 5 re-entry vehicle) or 12 100 kt W76 warheads (Mark 4 re-entry vehicle), but it is limited to 8 warheads under the Strategic Offensive Reductions Treaty.

Source: Wikipedia
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Castle Bravo

Castle Bravo
Castle Bravo
Blast Radius Blast Radius11.3km
Fireball Radius Fireball Radius 3.710km
Kilotons Kilotons15000kt
Radiation Radius Radiation Radius3.630km

Castle Bravo was the first in a series of high-yield thermonuclear weapon design tests conducted by the United States at Bikini Atoll, Marshall Islands, as part of Operation Castle. Detonated on March 1, 1954, the device was the most powerful nuclear device detonated by the United States and its first lithium deuteride fueled thermonuclear weapon. Castle Bravo's yield was 15 megatons of TNT, 2.5 times the predicted 6.0 megatons, due to unforeseen additional reactions involving lithium-7, which led to the unexpected radioactive contamination of areas to the east of Bikini Atoll. At the time, it was the most powerful artificial explosion in history. Fallout, the heaviest of which was in the form of pulverized surface coral from the detonation, fell on residents of Rongelap and Utirik atolls, while the more particulate and gaseous fallout spread around the world.



The inhabitants of the islands were not evacuated until three days later and suffered radiation sickness. Twenty-three crew members of the Japanese fishing vessel Daigo Fukuryū Maru ("Lucky Dragon No. 5") were also contaminated by the heavy fallout, experiencing acute radiation syndrome. The blast incited international reaction over atmospheric thermonuclear testing.The Bravo Crater is located at 11°41′50″N 165°16′19″E. The remains of the Castle Bravo causeway are at 11°42′6″N 165°17′7″E.

Source: Wikipedia

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