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The W80, W87, and the B83 are the only LLNL designs still in the U. S. nuclear stockpile.
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W80 and W87
artillery gun ; 1975 ), W82 ( 155-mm howitzer ; 1978 ), B83 ( modern strategic bomb ; 1979 ), W87 ( Peacekeeper / MX ICBM ; 1982 ), and W80 ( Tomahawk GLCM ; 1978 ).
The majority of the munitions include the B83 and B61 gravity bombs, and W80, and W87 warheads for the Air Launched Cruise Missile ( ALCM ) and Minuteman III ICBM's.
W80 and B83
Examples of variable yield weapons include the B61 nuclear bomb family, B83, W80, W85, and WE177A warheads.
W80 and only
The W80 is physically quite small, the " physics package " itself is about the size of a conventional Mk. 81 bomb, in diameter and long, and only slightly heavier at about.
W80 and still
* AGM-86 ALCM air launched cruise missile, 350 to 550 missiles and W80 warheads still in service
W80 and U
Photographs of warhead casings, such as this one of the W80 ( nuclear warhead ) | W80 nuclear warhead, allow for some speculation as to the relative size and shapes of the primaries and secondaries in U. S. thermonuclear weapons.
W80 and .
Since 2005 she has set South African W80 + master records for 100 metres ( 18. 84 sec ), 200 metres ( 45. 46 sec ), 400 metres ( 1: 52. 88 min ), and 800 metres ( 4: 34. 13 min ).
An upgraded AGM-69B was proposed in the late 1970s, with an upgraded motor to be built by Thiokol and a W80 warhead, but it was cancelled ( along with the B-1A ) in 1978.
This tactical warhead contrasts with the W80 warhead found on other versions of the Tomahawk, and on the ALCM, which had a yield of 200 kt .< sup id =" fn_2_back "> 2 </ sup > The Pentagon credited the GLCM with a range of 2000 – 2500 kilometers.
A W80 nuclear warhead " physics package.
The W80 is a small thermonuclear warhead ( fusion weapon ) in the enduring stockpile with a variable yield of between 5 and 150 kt of TNT.
At one end of the scale, perhaps using just the boosted fission primary, the W80 has destructive power equivalent to around 5 kilotons of TNT ; at the other end, the yield is equivalent to around 150 kt.
The Los Alamos National Laboratory began development on the W80 in June 1976, with the brief of producing a custom weapon for the cruise missiles then under construction.
The main differences between the W80 and W61 appear to relate to the physical packaging of the device, and to the removal of the 0. 3 kt yield mode ; the W61 apparently needed this feature when deployed as a depth charge, a role for which the W80 was not intended.
Production of the W80 Model 1 ( W80-1 or Mod 1 ) to arm the ALCM started in January 1979, and a number of warheads had been completed by January 1981 when the first low-temperature test was carried out.
In March 1982, designers began working on a W80 variant intended for the Navy's Tomahawk program.
The W80 Model 0 ( W80-0 or Mod 0 ) used " supergrade " fission fuel, which has less radioactivity, in the primary in place of the conventional plutonium used in the Air Force's version.
Production of the W80 was completed by September 1990, although the exact date at which the respective Mod 0 and Mod 1 runs ended is not clear.
W80 and nuclear
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* W80 internal drawings from Greenpeace archive said to come from a British nuclear weapons manual and to depict an actual weapon
W87 and B83
< tr >< td > LX-17-0 </ td >< td > TATB 92. 5 %</ td >< td > Kel-F 800 7. 5 %</ td >< td > High-velocity, insensitive ; nuclear weapons ( B83, W84, W87, W89 ) </ td ></ tr >
W87 and are
Current plans are to switch 500 decommissioned Peacekeepers ' W87 / Mk-21 warheads to the Minuteman III.
W87 and .
The Peacekeeper was a MIRV missile ; it could carry up to 10 re-entry vehicles, each armed with a 300-kiloton W87 warhead / MK-21 RVs ( approx.
The neutron output per kiloton is then 10-15 times greater than for a pure fission implosion weapon or for a strategic warhead like a W87 or W88.
B83 and are
* In the 1996 film Broken Arrow, two B83 bombs are stolen.
B83 and U
With its retirement, the largest bomb currently in service in the U. S. nuclear arsenal is the B83, with a maximum yield of.
B83 and .
* Anatoly Karpov vs Boris Spassky, Candidates ' match, Leningrad 1974, game 1, Sicilian Defence, Scheveningen Variation ( B83 ), 0 – 1 Spassky lost the match, but he started strongly with this fine win.
At Fairchild, 85 nuclear gravity bombs ( 25 B61-7 gravity bombs and 60 B83 gravity bombs ) were stored in a reserve nuclear depot.
* Svetozar Gligoric vs Bent Larsen, Zagreb 1965, Sicilian Defence, Scheveningen Variation ( B83 ), 0 – 1 Gligoric launches a dangerous-looking attack, but Larsen finds an inspired defence.
The A2 Süd Autobahn motorway ( European Route E66 ) from Vienna to Italy passes along the northern side of the lake, as does the B83 Kärntner Straße highway connecting Klagenfurt with Villach and the Südbahn railway line from Vienna to Venice.
It is often used to gain control of very fast descents, including those of spacecraft during atmospheric reentry, or nuclear bombs such as the B61 and B83.
A B83 casing.
The B83 nuclear weapon is a variable-yield gravity bomb developed by the United States in the late 1970s, entering service in 1983.
The B83 was based partly on the earlier B77 program, which was terminated because of cost overruns.
The B83 replaced several earlier weapons, including the B28, B43, and to some extent the ultra-high-yield B53.
The B83 is one of the weapons considered for use in the " Nuclear Bunker Buster " project, which for a time was known as the Robust Nuclear Earth Penetrator, or RNEP.
While most efforts have focused on the smaller B61-11 nuclear bomb, Los Alamos National Laboratory was also analyzing the use of the B83 in this role.
The warhead contained within the B83 has been considered for use against near earth asteroids.
* In the strategy game World in Conflict, a B83 is considered the last resort if the US Army failed to retake Seattle from the Soviet Union before the arrival of the PLA naval forces.
* B83 page at nuclearweaponarchive. org
The strategic weapons included 1, 490 ICBM warheads, 2, 736 submarine launched ballistic missile warheads, 1, 660 bomber weapons ( strategic B61 and B83 gravity bombs, AGM-86 ALCM, and AGM-129 Advanced Cruise Missiles ), and several hundred spare warheads.
* The BM2, B6, B12, B13, B14, B15, B20, B25, B82, B83, BM5, Q24 and Q56 buses.
The B43 was phased out in the 1980s, and the last B43 weapons were retired in 1991 in favor of the newer B61 and B83 weapons.
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