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Home / Business / Markets with Madison

US firm Anduril to build autonomous submarines for Pacific security

Madison Malone
By Madison Malone
Senior Business Journalist, host of Markets with Madison·NZ Herald·
7 Aug, 2025 05:00 AM2 mins to read

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Anduril Industries has manufactured an autonomous submarine prototype in Sydney, Australia, in collaboration with the Royal Australian Navy.

Anduril Industries has manufactured an autonomous submarine prototype in Sydney, Australia, in collaboration with the Royal Australian Navy.

The warfare technology manufacturer Anduril Industries has a plan in place to protect the Pacific Ocean, beginning with making its extra-large autonomous submarines in Australia.

The privately-owned United States company recently raised US$2 billion at a US$30.5b ($51.6b) valuation.

“We’re basically on a war footing,” Anduril’s senior vice-president of programmes and engineering, Dr Shane Arnott, told Markets with Madison at its headquarters in Costa Mesa, California.

“People don’t think about this, but, we are.”

Arnott - an Australian - leads Anduril’s underwater hardware division, which included an autonomous undersea vehicle dubbed “Ghost Shark”.

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It had signed an early works contract with the Royal Australian Navy to build a prototype and scale manufacturing in Sydney.

Arnott would not say if Anduril was in discussions with the New Zealand Defence Force, too.

Anduril's Shane Arnott discusses its underwater engineering division in today's episode of Markets with Madison.
Anduril's Shane Arnott discusses its underwater engineering division in today's episode of Markets with Madison.

However, he warned that waters surrounding New Zealand were “mostly unprotected”.

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“The last domain that is left open is subsea. Period.”

Go inside Anduril’s California headquarters and see its autonomous submarines up close, in today’s episode of Markets with Madison above.

Get investment insights on Markets with Madison every week here on the NZ Herald, on YouTube and wherever you get your podcasts.

Disclaimer: The information provided in this programme is of a general nature and is not intended to be personalised financial advice. We encourage you to seek appropriate advice from a qualified professional to suit your individual circumstances.

Madison Malone (nee Reidy) is host and executive producer of the investment show Markets with Madison. She joined the Herald in 2022 after working in investment and has covered business and economics for television and radio broadcasters.

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