Collins Class submarines

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The Collins Class submarine remains one of the most capable conventional submarines in the world.

Australia's Collins Class submarine fleet will undergo a life-of-type extension (LOTE) at Osborne shipyard in South Australia.

The LOTE will keep the Collins Class submarine operationally capable and available into the 2040s, supporting the transition to Australia's nuclear-powered submarines.

  • Budget: $4.3 - $6.4 billion
  • Timeframe: First LOTE scheduled for mid-2026
  • Industry: more than 1500 jobs
  • Location: Osborne South Australia (LOTE) and Henderson Western Australia (sustainment)