W34 (nuclear warhead)

W34W34 nuclear warheadMark 34XW-34
The W34 was an American nuclear bomb developed and deployed during the mid-1960s.wikipedia
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Mk 101 Lulu

LuluMark 101 LuluMark 101 NDB (nuclear depth bomb)
The W34 was deployed in several applications: Mark 101 Lulu nuclear depth bomb, the Mark 45 ASTOR torpedo and the Mark 105 Hotpoint nuclear bomb.
It carried a W34 nuclear warhead, with an explosive yield of about 11 kilotons.

Mark 45 torpedo

Mark 45 nuclear torpedoMark 45Mk 45 ASTOR
The W34 was deployed in several applications: Mark 101 Lulu nuclear depth bomb, the Mark 45 ASTOR torpedo and the Mark 105 Hotpoint nuclear bomb.
The 19 in-diameter torpedo was fitted with a W34 nuclear warhead.

Mk 105 Hotpoint

Mark 105 Hotpoint
The W34 was deployed in several applications: Mark 101 Lulu nuclear depth bomb, the Mark 45 ASTOR torpedo and the Mark 105 Hotpoint nuclear bomb.
The Mark 105 Hotpoint was a airdropped nuclear bomb developed for the United States Navy using the 11 kiloton W34 warhead.

Python (nuclear primary)

Python primaryprimary
That would place it in the Python primary family of nuclear weapons.
Hansen's research indicates that the W34 Python primary was used in the US B28 nuclear bomb, W28, W40, and W49, and as a boosted fission warhead without a thermonuclear second stage in several other weapons.

TNT equivalent

kilotonmegatonmegatons
Yield of the W34 was 11 kilotons.

Nuclear depth bomb

nuclear depth chargedepth chargenuclear depth charges
The W34 was deployed in several applications: Mark 101 Lulu nuclear depth bomb, the Mark 45 ASTOR torpedo and the Mark 105 Hotpoint nuclear bomb.

B28 nuclear bomb

W28Mark 28 nuclear bombMk28
The design of the W34 has been described as identical to the fission primary of the B28 nuclear bomb by some sources.

W40 (nuclear warhead)

W40W-40 nuclear warheadW40 nuclear warhead
The dimensions and weight of the W34 are consistent with the W40 warhead, which is more solidly identified with the Python primary family of weapons.

Nuclear weapons and the United Kingdom

United Kingdomnuclear deterrentUK's nuclear deterrent
However, RAF Coastal Command acquired Mk 101 Lulu nuclear depth bombs (with the W34 nuclear warhead) for its Avro Shackleton and Hawker Siddeley Nimrod maritime patrol aircraft from 1965 to 1971 under Project N. These were later replaced by the more capable Mark 57, which was stockpiled at RAF St Mawgan and RAF Machrihanish.

Cyclotol

Sublette lists Cyclotol as the explosive in the US B28 nuclear bomb and possibly related weapons that used the common Python primary - W34, W28, W40, and W49.

1958 US–UK Mutual Defence Agreement

1958 US-UK Mutual Defence AgreementMutual Defence Agreement1958 U.S.–UK Mutual Defence Agreement
The Americans disclosed the details of nine of their nuclear weapon designs: the Mark 7, Mark 15/39, Mark 19, Mark 25, Mark 27, Mark 28, Mark 31, Mark 33 and Mark 34.

Nuclear torpedo

T-5 nuclear torpedotorpedoesnuclear torpedoes
The warhead was a W34 low-yield tactical nuclear warhead, whose extensive blast radius would destroy an enemy boat by a proximity detonation, rather than precision delivery.

Project E

US dual-key nuclear weapons
RAF Coastal Command acquired Mk 101 Lulu nuclear depth bombs (with the W34 nuclear warhead) for its Avro Shackleton and Hawker Siddeley Nimrod maritime patrol aircraft from 1965 to 1971 under Project N. These were replaced by the more capable Mark 57, which was stockpiled at RAF St Mawgan and RAF Machrihanish for US, Dutch and British aircraft.

British hydrogen bomb programme

British development of the hydrogen bombBritish H-bombdevelopment of the British hydrogen bomb
The Americans disclosed the details of nine of their nuclear weapon designs: the Mark 7, Mark 15/39, Mark 19, Mark 25, Mark 27, Mark 28, Mark 31, Mark 33 and Mark 34.