UK Weapons Systems

Baroness Goldie Excerpts

Tuesday 1st July 2025 Lords Chamber

[Lord Coaker (Lab)]

We need to unpick that. It is a very good question the noble Lord asks, but no Government will comment on the storage of nuclear weapons, for obvious reasons. The strategic nuclear deterrent is completely operationally independent. It cannot be used without the agreement of the United Kingdom Prime Minister. As for the F35A, which I presume he referenced with respect to the Government’s announcement, that forms part of the nuclear mission of NATO. For that capability to be used for a nuclear mission, it will require the agreement through the nuclear planning group of the United Kingdom Prime Minister. So both the strategic deterrent and the fighter deterrent of the 12 F35As will require the authorisation of the United Kingdom Prime Minister.

[Baroness Goldie (Con)]

Given the answer that the Minister has just given, can he clarify that, while it may very well be the case that at NATO level the Prime Minister of the United Kingdom would be required to give consent, is it conceivable that the United States in that scenario might refuse consent?

[Lord Coaker (Lab)]

Let us deal with this, and I apologise to the House if this takes some time. The strategic deterrent, CASD, remains, as we have always had it, operationally independent and a UK weapon. As for the 12 F35As that the Government have announced, that forms part of NATO’s nuclear mission. The F35As are UK jets and they are dual-capable aircraft, so they can be used normally or, in a particular crisis or a particular sense in which we felt and NATO felt that they should be used, they would become part of the nuclear mission. At that time, they would be armed with American nuclear missiles.

Of course, that means that the authorisation of the use of those missiles remains US-controlled, because, in the same way that we control our UK nuclear weapons, US nuclear weapons remain subject to US approval. The point I was making to the noble Lord is important. Of course, the authorisation for the use of those weapons within the context of a NATO mission has to be agreed by the NATO planning group and the UK is part of that. In that sense, the Prime Minister would have to authorise those UK planes being used to deliver that nuclear capability. I hope that is clear to the House and to the noble Baroness, because it is an important point for us to make with respect to the nuclear shield and the nuclear capability that this country has, and how it will work in practice.