Official channel for the Defence Nuclear Enterprise, part of the UK Ministry of Defence. We operate, maintain and renew the UK’s nuclear deterrent.
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Maddy McTernan @ChiefDefNuclear has been in the US meeting key partners and seeing how the next generation of naval nuclear specialists are trained.
A visit to the Naval Nuclear Power Training Command highlighted the skills needed for safe and effective naval nuclear operations.
The 4th Submarine Maintenance Period is a major step towards establishing Submarine Rotational Force-West in Western Australia and demonstrates critical progress made across AUKUS.
Following on from HMS Anson's SMP, it'll see increased use of a local industry and infrastructure.
USS Colorado has arrived at HMAS Stirling for the US Submarine Maintenance Period (SMP).
The 4th maintenance period in Western Australia, it's a clear demonstration of AUKUS progress.
#TeamDNE is providing critical maintenance support throughout.
This is AUKUS in action.
Congratulations to the first cohort of engineers who've been recognised at the Submarine Delivery Group's Fellowship Scheme award ceremony.
The scheme recognises the deep technical expertise our people develop and maintain, which is essential to delivering our mission.
Defence Nuclear Enterprise retweeted
We’re all in on AUKUS and we’re hitting another milestone, as US and UK attack submarines will begin rotating through Australia from 2027, building their ability to maintain a nuclear-powered fleet.
🇦🇺 🇬🇧 🇺🇸
war.gov/News/Releases/Releas…
Defence Nuclear Enterprise retweeted
This week RAF Typhoons have flown alongside French Rafale jets - the first time the UK has taken part in a French nuclear air exercise. It's a landmark step in UK-France defence co-operation, and a clear signal that we stand shoulder to shoulder with our allies on European security and credible deterrence.
Our mission is to keep safe and capable submarines at sea, maintain our nuclear warheads and deliver the nuclear deterrent to protect national and global security.
Learn more about the enterprise: gov.uk/government/organisati…
The DNE is responsible for delivering some of defences most complex projects. To do this, we need skilled people across the UK.
We're currently recruiting for 👇:
- nuclear fuels
- engineering
- project controls
- governance
- finance
Apply: ow.ly/RWEs50ZZmVe
The Dreadnought Class will deliver the next generation of our nuclear deterrent.
Driving economic growth and supporting tens of thousands of jobs, they'll protect the UK from the most extreme threats to our national security and way of life.
Learn more: gov.uk/government/publicatio…
The DNE ensures the UK maintains a safe, secure, and reliable warhead stockpile while working on the replacement warhead programme, Astraea.
Delivered by @AWE_plc, they've developed, manufactured, and maintained the UK’s nuclear warheads for over 75 years.
Do you want to join an enterprise that supports national security?
We're hiring in a range of locations across #TeamDNE. From Barrow to Plymouth, we need dedicated people who are ready to support this national endeavour.
Apply: ow.ly/Q8PM50ZUUTn
A formidable attack submarine, HMS Agamemnon's name carries a historical lineage.
Many stories have been written about the previous Agamemnons, and this is where the next chapter begins. Find out more 👇.
One of the most advanced submarines ever built, HMS Agamemnon will play a key role in boosting security in the UK and across @NATO.
The Submarine Service has come a long way since 1901.
It not only keeps our country safe but supports jobs across the UK and showcases the best of British engineering.
Here are just some key moments from the last 125 years 👇.
📸: IWM
Defence Nuclear Enterprise retweeted
🎉 The first-ever National Cadets Week starts now!
We're celebrating cadets, recognising the volunteers who support them, and highlighting the positive impact Cadet Forces have in communities across the UK. #NationalCadetsWeek
From the pioneering Holland 1 to today's cutting-edge HMS Agamemnon, the Submarine Service has been at the heart of keeping the UK safe for 125 years.
Now, as the sixth Astute Class submarine arrives at HMNB Clyde for the first time, we continue that proud history.
Defence Nuclear Enterprise retweeted
125 years of the Submarine Service.
Today, we celebrate our people. The crews who serve in silence. The families who support them. The veterans who paved the way. And every submariner who as helped shape 125 years of history.
➡️royalnavy.mod.uk/organisatio…
🗓️ #OTD in 1901 the @RoyalNavy's first submarine was launched.
125 years later, Director General Submarines, Sir Chris Gardner and Director Submarine Support, RAdm Martyn Boyes discuss their time in the Submarine Service.
Watch the full conversation: ow.ly/7yvx50ZTQUj
Defence Nuclear Enterprise retweeted
Today we celebrate 125 years of the Submarine Service, a remarkable legacy of service, innovation, courage and commitment.
We remember those who served before us, recognise those serving today, and look ahead to the future of the Submarine Service.
➡️royalnavy.mod.uk/organisatio…
For the first time, a @RoyalNavy uncrewed submarine has successfully launched a torpedo during a landmark trial in Scotland, showcasing a pivotal moment for AUKUS and what the UK, Australia and the US can achieve together.
Read more: royalnavy.mod.uk/news/2026/s…
