Daily UK defence and security brief from Think Defence, Saturday 26 September 2026, covering the previous 24 hours.
NEWS
No Action Against Iranian Man Who Tried to Enter Faslane
The Crown Office said no proceedings will be taken for now against a 34-year-old Iranian man arrested on 19 March at HM Naval Base Clyde, home of the UK's nuclear submarine fleet including Trident-armed Vanguard boats. A Romanian woman arrested with him was already told there would be no case; prosecutors reserved the right to proceed if further evidence emerges.
BBC
bbc.co.uk/news/articles/c64g…
Welsh Police Force Hit by Cyber Attack Affecting Staff Data Risk
Dyfed-Powys Police said a cyber incident identified on 14 September disrupted some non-emergency systems and may have accessed or compromised staff information, though public personal data is not believed to have been affected. Emergency 999 and 101 services continued; the force notified the Information Commissioner's Office and is being supported by specialists and the regional organised crime unit.
BBC
bbc.co.uk/news/articles/c8dx…
Europe's Diesel Vulnerability to US Export Restrictions
RUSI analysis argues that President Trump's suggestion of a ban or curb on US diesel exports could expose Europe to a new political supply risk after years of shifting away from Russian energy toward US products, especially with Middle Eastern flows still disrupted and Russian and Chinese export limits already tightening markets.
RUSI (analysis)
rusi.org/explore-our-researc…
CONTRACT UPDATES
DE&S Tenders Thermal Camouflage Sheets Framework Worth About £9.9 Million
Babcock Land Defence, acting as agent for the MoD, opened a competitive flexible procedure for an eight-year framework covering 46 NATO-codified thermal camouflage sheet items and associated kit, estimated at about £9.92 million excluding VAT.
Find a Tender
find-tender.service.gov.uk/N…
MoD Corsham Awards PICASSO Client-Side Support ICT Contract
Contracts Finder shows an award to CGI IT UK Ltd, valued at about £3.46 million, for technical client-side support to the PICASSO Category A geospatial intelligence programme at MOD Corsham, covering design, commercial strategy for live services and agile delivery methods.
Contracts Finder
contractsfinder.service.gov.…
DE&S Plans Direct Award for Aircraft Gas Cylinder Support
A transparency notice says the National Armaments Director Group intends to award Chesterfield Special Cylinders Ltd about £2.0 million excluding VAT for post-design services, minor redesign and spares on airworthiness-critical aircraft cylinders, citing sole-supplier technical reasons.
Find a Tender
find-tender.service.gov.uk/N…
UKHO Awards User Experience Capability Contract Worth £1 Million
The UK Hydrographic Office awarded Bramble Hub Limited a call-off under Digital Outcomes and Specialists 7 for interaction, content and service design, user research and related analytics, valued at £1 million excluding VAT over about two years with an optional extension.
Find a Tender
find-tender.service.gov.uk/N…
MOD UPDATES
HMS Agamemnon Leaves Barrow to Begin Sea Trials
The MoD said HMS Agamemnon, the sixth Astute-class conventionally armed nuclear-powered attack submarine, has sailed from BAE Systems' Barrow yard to begin sea trials before joining the fleet at HMNB Clyde. The 7,400-tonne boat will carry Spearfish torpedoes and Tomahawk missiles and is backed by wider Defence Nuclear Enterprise investment in continuous submarine production.
GOV.UK (MoD)
gov.uk/government/news/sixth…
British Firms Offered Ukraine Battlefield Data for AI Drone Swarms
Under the UK-Ukraine AI Partnership, British companies are invited to bid for access to Ukraine's Avengers AI Labs sensor database, with up to 12 firms initially selected to train models for drone swarms that can operate when communications or satellite navigation are degraded. MoD Taskforce RAID is leading the competition.
GOV.UK (MoD)
gov.uk/government/news/briti…
Ministers to Brief Defence and CNI Chiefs on Russia Threats
Security Minister Dan Jarvis and Armed Forces Minister Louise Sandher-Jones will chair closed-door briefings for critical national infrastructure providers and defence industry bodies on Russian hybrid threats including cyber attacks, sabotage and disinformation, drawing on intelligence support already offered through the NCSC and National Protective Security Authority.
GOV.UK (MoD)
gov.uk/government/news/ceos-…
DEFENCE IN PARLIAMENT
Written Answer on Armed Forces Workplace Pensions
The MoD answered a Commons written question on a £2.383 million aged debt figure for irrecoverable pension overpayments, clarifying it related to a bulk write-off of War Pension Scheme overpayments over six years old in the 2025/26 annual report rather than the 2024/25 document cited, with no single systemic cause identified.
questions-statements.parliam…
questions-statements.parliam…
Answered 25 September 2026
Written Answer on Nuclear Test Medal Eligibility
The MoD answered a Lords written question on which personnel are eligible for the Nuclear Test Medal, pointing to the department's published eligibility criteria attachment.
questions-statements.parliam…
questions-statements.parliam…
Answered 25 September 2026
Written Answer on Diego Garcia Base and BIOT Bill
The Foreign, Commonwealth and Development Office answered a Lords written question on reintroducing the Diego Garcia Military Base and British Indian Ocean Territory Bill, stating Diego Garcia remains a key UK-US strategic military asset and that maintaining long-term operational control underpins the UK-Mauritius agreement.
questions-statements.parliam…
questions-statements.parliam…
Answered 25 September 2026
#UKDefenceUpdate