Diego Garcia Military Base and British Indian Ocean Territory Bill

Debate between Lord Ahmad of Wimbledon and Lord Beamish

Committee stage
Tuesday 25th November 2025 Lords Chamber

[Lord Ahmad of Wimbledon (Con)]

My Lords, I totally support the amendments in the names of my noble friends Lord Callanan and Lady Goldie. The noble Lord, Lord Coaker, and the noble Baroness, Lady Chapman, both know that I, as someone who was involved with direct negotiations, albeit in 2019, remained unconvinced of one specific element above all else—I remain unconvinced of it today—and that was the security protections that have just been so eloquently narrated by my noble friend Lady Goldie.

In associating myself with those amendments, I will also press ahead on the archipelago and the lay of the land beyond Diego Garcia. I draw attention to paragraph 3(a) of Annex 1, which says that

“vessels and aircraft of the United Kingdom and the United States of America shall have unrestricted rights of overflight, navigation and undersea access”.

That is clear. It continues:

“States operating with the United Kingdom or the United States of America shall also have such unrestricted rights, save in respect of overflight or undersea access, which require notification”.


We need a degree more clarification to unwrap that provision, particularly on passage to and from Diego Garcia and the lay of the other parts of the archipelago. Like my noble friend, I press the Minister to give the specific assurance, which I certainly feel should be within the agreements signed with Mauritius, that notification does not mean before the event but after.

[Lord Beamish (Lab)]

My Lords, I will speak on Amendment 67. This part of the agreement is being portrayed as though it has some type of special status. It is similar to the agreement we have with the sovereign base areas in Cyprus. The UK and our allies use Cyprus as a staging post for a number of operations outside the Republic of Cyprus. The way it operates there is that the Government of Cyprus are not informed prior to the use of that base but, like in this agreement, are informed afterwards. I accept the point about the use of “expeditiously”—what it means is worth debate—but the way I read this is that it is no different from other bases.

The noble Baroness, Lady Goldie, said she was nitpicking. To be fair to her, I do not think she is: she is trying to get clarity on this important point. We want to ensure that our forces and allies have free movement and use of the base under this treaty. I do not think that our United States allies would agree with the Bill and treaty if they in any way limited their use of the base, not only for actions against other parts of the world but in the siting of various pieces of equipment on those important islands. We look for some reassurance on that point, but it is important to have clarity. That would certainly allay some of the fears raised, quite legitimately by some people and by others as scaremongering against the Bill.