US-UK Trident Nuclear Weapons Systems This factsheet outlines the UK-US relationship on Trident and the specifications of each country’s systems. This factsheet was last updated November 2013. Image: Photo: Crown Copyright Photographer: Paul Shaw Attachment(s) basic_trident_briefing_nov2013_0.pdf Related Previous Post (p) The Role of NATO in the French White Paper and Implications for Nuclear Arms Control Next Post (n) P5+1 and Iran: finding common ground?