An article in the Guardian Newspaper on 12 April 2026 reviews the US Bases in the UK. Particular point is that they are being used to bomb Iran on a regular basis. 

Article published by Declassified on 9th February 2029 about the replacement costs of US Bases in the UK.

https://share.google/4Iv7GN4n0xeWBuMzZ

The full number of bases is not clear but is at least 22. 

There are threats of military action being taken by the USA against an increasing list of countries.