Inquiry · Opened 2 April 2025
AUKUS
From: Defence Committee
What this inquiry is asking
This inquiry examines whether the UK-US-Australia AUKUS defence partnership—a trilateral effort to deliver nuclear submarines to Australia and develop advanced military technologies—is being delivered effectively despite geopolitical shifts since 2021. The committee investigates governance, industrial capacity, workforce readiness, export controls, and political leadership across both Pillar 1 (submarine manufacturing) and Pillar 2 (advanced capabilities like hypersonics and AI).
Status / emerging findings
- Political leadership on AUKUS has faded at UK level, creating 'political drift' that threatens delivery despite the programme's continued strategic validity
- Trilateral governance improved post-review with senior ministerial group, but risks reverting to Defence-only management; Sir Stephen Lovegrove's Special Representative role is advisory-only with minimal staffing
- First UK AUKUS submarine expected late 2030s, first Australian boat very early 2040s—both require acceleration of current production pace; four classified Pillar 2 capability areas narrowed from broader initial scope
- Public awareness of AUKUS critically low in UK compared to Australia; strategic communications need strengthening to maintain political support across multiple electoral cycles
- Industry consensus identifies speed of trilateral decision-making as primary bottleneck; export control relaxation has had limited practical impact on submarine work governed by existing government treaties
Why it matters
AUKUS is the largest UK defence collaboration in 70 years and central to Indo-Pacific deterrence against China, but political drift and governance failures risk derailing a multi-decade, multi-billion pound commitment that spans three democracies.
Tone arc
Shifted from procedural geopolitical assessment (September: China threat, governance deficit) through cooperative industry evidence (October: operational challenges, export control friction) to increasingly adversarial on accountability (December: Ajax safety failures and credibility of MoD advice to Ministers), exposing systemic governance weaknesses.
Themes
Key witnesses
Sir Stephen Lovegrove (Prime Minister's Special Representative on AUKUS), Luke Pollard MP (Defence Minister), Vice Admiral Sir Chris Gardner (MOD), Steve Timms (BAE Systems Submarines), Steve Carlier (Rolls-Royce Submarines), Lord Case (Team Barrow lead), Sidharth Kaushal (defence expert), Harry Holt (Babcock International)
Reports & Government Responses
Report · 28 April 2026 · HC 841
Witness sessions
Oral evidence · 9 September 2025 · HC 841
Session 1 of 5Sidharth Kaushal; Centre for Statecraft and National Security, King's College London; Sophia Gaston
Oral evidence · 21 October 2025 · HC 841
Session 2 of 5Oral evidence · 19 November 2025 · HC 841
Session 3 of 5Sir Stephen Lovegrove - Prime Minister's Special Representative on AUKUS
Oral evidence · 26 November 2025 · HC 841
Session 4 of 5The Rt Hon the Lord Case; Peter Anstiss; Nona Buckley-Irvine; +1 more
Oral evidence · 2 December 2025 · HC 841
Session 5 of 5Ministry of Defence; Vice Admiral Sir Chris Gardner; Ministry of Defence; +2 more
Themes & actors
Topics across publication summaries
Top organisations & named entities
- Tanmanjeet Singh Dhesi·1 reference
- Sir Stephen Lovegrove·1 reference
- Luke Pollard·1 reference
- Ministry of Defence·1 reference
- BAE Systems·1 reference
- Make UK Defence·1 reference
- Babcock International Group·1 reference
- Sophia Gaston·1 reference
Source · parliament.uk inquiry record ↗