One-off Session on Undersea Activity

Defence Committee Closed Non-inquiry session
Opened: 2 Feb 2026 Closed: 23 Feb 2026 Parliament page
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.
1 Oral session
1 Event
Activity timeline 2 events
10 Feb
2026
Oral evidence
10 Feb
2026
Formal meeting (oral evidence session) · The Grimond Room, Portcullis House
Oral evidence sessions 1 session
10 Feb 2026
View on parliament.uk
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