Why nuclear weapon convoys?

Nuclear Weapons Convoy on Motorway

Nuclear Weapons Convoy on Motorway

A nuclear weapon convoy is a cluster of vehicles travelling by road in convoy formation. It can be:

  • Carrying Trident nuclear warheads
  • Travelling empty to collect or having unloaded nuclear warheads
  • Engaged in an exercise simulating the transport of warheads
  • En route to or from an accident & emergency exercise on a military base.

The Trident warheads are carried in large crates inside the green trucks. They are fully assembled and complete. The core of the warhead is a ball of plutonium and uranium. This is surrounded by specially developed conventional high explosives which would be ignited to create the critical mass necessary for a nuclear detonation when launched and targeted.

As well as nuclear warheads these convoys can carry Special Nuclear Materials (SNM).


phone us Please tell us if you spot a convoy...

South: 0345 4588 364

North: 0345 4588 365

Mobile: 07796 226488

Put our number in your phone, and let us know... When did you see it?... Where did you see it?... Which way was it going?... Thanks

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Nukewatch Policy

We think that it is very important that Nukewatch continues to monitor the safety of UK nuclear warhead convoys, and that Convoy dangers are highlighted to the general public and those along its routes.

But we still think it's important that Nukewatch is not seen to be helping potential terrorists. So we do not put technical information on the websites such as vehicle number plates and short break locations in lay-bys. We only put out convoy movements in advance to our own network. This also means that we would not alert the media in advance, except to contact known and trusted journalists who might come along to report a convoy passing.