Collins Class submarines


Collins Class fact sheet (PDF 440.83 KB)


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)