Official channel for the Defence Nuclear Enterprise, part of the UK Ministry of Defence. We operate, maintain and renew the UK’s nuclear deterrent.
Joined January 2023
- Tweets 871
- Following 229
- Followers 4,723
- Likes 216
628 Photos and videos
The UK nuclear weapons programme started in WWII. In 1956 the first operational nuclear weapon, the Blue Danube was carried by @RoyalAirForce V-bombers ✈️.
In 1969 the Resolution Class started the Continuous at Sea Deterrent, taking over provision of the UK’s nuclear deterrent.
ALT British submarine emerging from water near dock with crew on deck and Union Jack flag flying.
ALT A submarine surfaced in a harbor with crew members visible on the conning tower and naval ships in the background.
ALT A submarine cutting through choppy ocean waters under a dark, stormy sky.
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The UK’s nuclear deterrent is essential to our security. The nuclear triple-lock will see the DNE:
🌊 Build four Dreadnought submarines
🇬🇧 Maintain the Continuous at Sea Deterrent
🔧 Deliver all future upgrades needed to ensure the safety and effectiveness of our submarines
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In collaboration with @QinetiQ, we’ve successfully used additive manufacturing during HMS Anson’s Submarine Maintenance Period in Australia 🙌.
A first for the Royal Navy - replacements were delivered in just four weeks, with parts produced locally.
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The DNE has a single mission: To deliver nuclear capability that deters threat and protects the nation 🇬🇧.
Operating across government and industry, #TeamDNE includes 👇.
@RoyalNavy, @AWE_plc, @CSOC_MOD, @ForgemastersHQ, @Babcockplc, @BAESystemsplc and @RollsRoyceUK.
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Defence Nuclear Enterprise retweeted
82 years on from the Normandy landings, we reflect on the thousands of British, Commonwealth and Allied forces who lost their lives for the liberation of Western Europe.
We will remember them.
ALT CWGC Bayeux War Cemetery.
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HMS Anson recently completed a Submarine Maintenance Period (SMP) at HMAS Stirling.
This highlights trilateral collaboration, with teams from each nation, as well as industry across the Australian and UK supply chain working to deliver the SMP.
Results included 👇.
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In every corner of the UK the DNE is working to keep you safe. We manage some of defence’s most complex projects including:
🇬🇧 The UK’s nuclear deterrent and submarine build programmes,
👊 The replacement warhead programme,
🔧 Delivering major infrastructure.
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This account has a new name and now covers the whole Defence Nuclear Enterprise! 👏
The DNE is an enterprise of organisations who operate, maintain and renew the UK’s nuclear deterrent.
Follow us to stay up to date with updates from across #TeamDNE
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The SDA and DNO Submarine Capability Area have joined to become the Submarine Delivery Group (SDG).
Led by Sir Chris Gardner as Director General Submarines, the SDG unites the team delivering the Defence Nuclear Enterprise's submarine portfolio.
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Defence Nuclear Enterprise retweeted
We've updated our account. This is the official channel for the National Armaments Director Group, part of the UK Ministry of Defence.
Follow us for the latest news and updates on how we’re enabling our warfighters to operate, deter, fight and win. 👊 🇬🇧
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Defence Nuclear Enterprise retweeted
May 15
This Nemo can find you 🔎🐠
The @NATO Submarine Rescue System's rescue vehicle, nicknamed "Nemo," can dive to depths of 610 metres to reach submarines in distress and carry 12 crew members back to the surface at a time.
@RoyalNavy @SDA_MOD
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We’re mandating individual membership to the @APMProjectMgmt for our project delivery professionals.
It enables objective benchmarking, strengthens delivery assurance, and sets the standard expected of those supporting the UK’s nuclear deterrent.
ALT A submarine partially surfaced in calm waters with crew members visible on deck and snow-covered mountains in the background.
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With today’s weather we had to share some of our favourite sunny submarine images ☀️.
#PicOfTheDay #UKWeather
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The Vanguard Class are the UK’s Ballistic Missile Submarines - patrolling the seas every minute of every day as part of the UK’s nuclear deterrent 🇬🇧.
They are ready to respond to the most extreme threats to the UK and our NATO allies. Read more: ow.ly/BTtx50YNp7q
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Defence Nuclear Enterprise retweeted
Apr 21
A #RoyalNavy Vanguard Class submarine and its crew of 140 submariners sailed back to HM Naval Base Clyde on Saturday 18th April after completing another successful mission delivering the Continuous At Sea Deterrent (CASD). @RNinScotland
Read more: royalnavy.mod.uk/news/2026/a…
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📍Rosyth.
Last week, the NATO Submarine Rescue System was fitted onto a Norwegian Coastguard ship in preparation for the next phase of an exercise.
Our work with @JFDGlobal ensures NATO has a system that’s ready to respond.
Where will Nemo go next? Stay tuned.
ALT Large white underwater research vehicle with red protective bars loaded on a flatbed trailer at an industrial site.
ALT Worker wearing a white hard hat and neon yellow safety vest standing in an industrial port area with trucks and cranes in the background.
ALT Worker in red protective gear welding metal on an industrial floor with sparks flying.
ALT Large naval ship docked at a concrete pier under a cloudy sky with cranes nearby.
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🗓️ #OTD in 1963 HMS Dreadnought – the UK’s first nuclear-powered submarine was commissioned into the Royal Navy.
63 years later, we’re delivering the future Dreadnought Class. With a supplier base 95% accounted for by the UK, delivering the class is a true national endeavour.
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Everyday across the UK we are working on some of the most complex programmes in defence.
Our mission to deliver available and capable submarines for the Royal Navy in defence of the nation is clear.
Read more about our work: ow.ly/mL6T50YFwBK
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