Select Committee · Defence Committee
One-off Session on Undersea Activity
Status: Closed
Opened: 2 Feb 2026
Closed: 23 Feb 2026
Inquiry scope
The Government has highlighted the increasing maritime threat in UK waters and against UK interests further afield. This session is designed to explore the capabilities of adversaries, the threat posed to the UK and the UK response.Oral evidence sessions
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| Date | Session and witnesses | Source |
|---|---|---|
| 10 Feb 2026 |
Panel 1
Brett Phaneuf · Submergence Group LLC (USA) / M Subs Ltd (UK),
Commodore (Rtd) John Aitken OBE · Thales,
Professor Peter Roberts · Centre for Public Understanding of Defence and Security, University of Exeter
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Who gave evidence
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| Witness | Organisation | Sessions |
|---|---|---|
| Brett Phaneuf · Founder and Chief Executive | Submergence Group LLC (USA) / M Subs Ltd (UK) | 1 |
| Commodore (Rtd) John Aitken OBE · Underwater System Services General Manager | Thales | 1 |
| Professor Peter Roberts · Associate Fellow | Centre for Public Understanding of Defence and Security, University of Exeter | 1 |