Portfolio — 25 May 2026

Deputy Prime Minister and Minister for Defence Richard Marles used a House debate on 25 May to announce that life-of-type extension work on the Collins class submarines will begin later this month [TA-260525-house-43807c883b19:s217]. The government has committed $11 billion over ten years to the program — compared with the $6 billion allocated by the previous Liberal government — framing the increase as a material uplift in Australia's sustained undersea capability.

Marles described the extension as serving a dual purpose: raising submarine availability in the near term and establishing the operational and industrial pathway to future nuclear-powered submarines [TA-260525-house-43807c883b19:s217]. The employment dimension was central to his parliamentary statement. Around 1,400 jobs at the Osborne Naval Shipyard are expected to be directly underpinned by the extension work, contributing to a projected 10,000 well-paid, secure positions across the broader defence industrial base — a figure Marles tied explicitly to the government's domestic industry investment rationale.

The portfolio's position is that the Collins class extension is not a standalone sustainment decision but an integrated step in the AUKUS submarine pathway, with domestic workforce development treated as structurally connected to long-term capability readiness. No prior context candidates were available for this window, and the segment draws from a single Hansard record, so the Note reflects that source alone.