Australian taxpayers to pay $11bn to extend lifespan of ageing Collins-class submarines amid Aukus delay

HMAS Farncomb had been due to be retired this year, but is now expected to operate until about 2036

Taxpayers will fork out an extra $11bn to extend the lifespan of Australia’s ageing Collins-class submarines for another decade, bridging the capability gap before the scheduled arrival of the first Aukus vessels in 2032.

Originally designed to have a 30-year working life, the six Adelaide-built submarines have already been operational for between 23 and 30 years. The Albanese government announced in 2024 that it would undertake so-called “life of type extension” works to keep the six Collins class boats in the water for an additional 10 years.

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