W38 (nuclear warhead)

American thermonhclear warhead

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The W38 was an American thermonuclear warhead used in the early to mid-1960s as a warhead for Atlas E and F, and LGM-25 Titan I ICBMs. It was first built in 1961 and was in service from 1961 to 1965. 70 were deployed on Titan I missiles and 110 on Atlas missiles. It used the Avco Mark 4 reentry vehicle.

The W38 was 32 inches (81 cm) in diameter and 82.5 inches (2 m) long. It weighed 3,080 pounds (1,400 kg) and had a design yield of 3.75 megatons with an airburst or contact fuze.[1]

The W38 was the first thermonuclear ICBM warhead developed by the UCRL (University of California Radiation Laboratory), which is now known as the Lawrence Livermore National Laboratory.

The W38 was superseded by the Titan II missile family with a W53 warhead and 9 megaton payload.

## See also[edit]

* List of nuclear weapons

## References[edit]

1. ^ "List of All U.S. Nuclear Weapons".

## External links[edit]

* List of all US nuclear weapons

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United States nuclear devices

Fission
(including
boosted)|

| Gravity bombs|

* Little Boy (Mark 1)
* Thin Man (Mark 2)
* Fat Man (Mark 3)
* Mark 4
* Mark 5
* Mark 6
* Mark 7
* Mark 8
* Mark 10
* Mark 11
* Mark 12
* Mark 13
* Mark 18
* Mark 20
* Mk 105
* B57

|

Warheads|

* W4
* W5
* W7
* W8
* W12
* W13
* W25
* W30
* W31
* W34
* W37
* W40
* W42
* W44
* W45
* XW-51
* W54
* W72
* W76-2
* W81

Depth bombs|

* Mark 90
* Mk 101
* Mk 105
* B57

Artillery|

* W9
* W19
* W23
* W33
* W48
* W54
* W74
* W75
* W79-1
* W82-1

Atomic demolition
munitions|

* XM1 ADM
* T2 ADM
* T4
* Medium Atomic Demolition Munition (MADM)
* Special Atomic Demolition Munition (SADM)
* Tactical Atomic Demolition Munition (TADM)

Thermonuclear|

| Gravity bombs|

* Mark 14
* Mark 15
* TX16
* Mark 17
* Mark 21
* TX22
* Mark 24
* Mark 26
* Mark 27
* B28
* Mark 36
* Mark 39
* B41
* B43
* TX46
* B53
* B61
* B77
* B83
* B90

|

Depth bombs|

* B90

Warheads|

* W15
* W27
* W28
* TX29
* XW-35
* W38
* W39
* W41
* XW-46
* W47
* W49
* W50
* W52
* W53
* W55
* W56
* W58
* W59
* W60
* W61
* W62
* W63
* W64
* W67
* W68
* W69
* W70
* W71
* W73
* W76
* W78
* W80
* W84
* W85
* W86
* W87
* W88
* W89
* W91
* Reliable Replacement Warhead (RRW)
* W93

Enhanced
radiation|

| Warheads|

* W63
* W64
* W65
* W66
* W70-3

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Artillery|

* W79-0
* W82-0

Primary stages|

* Robin
* Swan
* Python
* Tsetse
* Kinglet
* Starling

Experimental|

* Gadget
* Sausage
* RACER IV

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