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The W88 is an American thermonuclear warhead, with an estimated yield of 475 kilotons of TNT (1,990 TJ), [2] and is small enough to fit on MIRVed missiles. The W88 was designed at the Los Alamos National Laboratory in the 1970s.
The W88 is a United States thermonuclear warhead. W88 or W-88 may also refer to: ... This page was last edited on 5 January 2025, at 20:57 (UTC).
Fogbank (stylized as FOGBANK) is a code name given to a secret material used in the W76, W78 and W88 nuclear warheads that are part of the United States nuclear arsenal. [1] The process to create Fogbank was lost by 2000, when it was needed for the refurbishment of old warheads.
A W88 warhead manages to yield up to 475 kilotonnes of TNT (1,990 TJ) with a physics package 68.9 inches (1,750 mm) long, with a maximum diameter of 21.8 inches (550 mm), and by different estimates weighing in a range from 175 to 360 kilograms (386 to 794 lb). [25]
In the W88 warhead, the primary uses a lightweight beryllium tamper, while the secondary has a heavyweight uranium-235 one. There are advantages to using a fissionable tamper to increase the yield. Uranium-238 will fission when struck by a neutron with 1.6 megaelectronvolts (0.26 pJ ), and about half the neutrons produced by the fission of ...
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Exploded diagram of the Mk21 reentry vehicle for the W87 [clarification needed]. The W87 is an American thermonuclear missile warhead formerly deployed on the LGM-118A Peacekeeper ("MX") ICBM. 50 MX missiles were built, each carrying up to 10 W87 warheads in multiple independently targetable reentry vehicles (MIRV), and were deployed from 1986 to 2005.
The warhead was initially manufactured from 1978 to 1987 and designed by Los Alamos National Laboratory.It was initially fitted to the Trident I SLBM system, but after the Rocky Flats plant where its successor the W88 was being made was shut down in 1989 after a production run of only 400 warheads, it was decided to transfer W76 warheads to Trident II.