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Defdex

Technology · Uncrewed systems

Extra-large autonomous undersea vehicles

Submarine-sized autonomous vehicles (XLUUV/XL-AUV) for long-range ISR, mine laying and strike, such as Boeing's Orca and Anduril's Ghost Shark.

Who builds it2

Extra-large autonomous undersea vehicles: organizations by maturity
  1. Fielded0

    • —
  2. Limited fielding0

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  3. Prototype2

  4. Development0

    • —
  5. Research0

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  6. Concept0

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Placed by each organization's own maturity for this technology; TRL is self-reported or estimated, see confidence.

Products2

Ghost Shark

Anduril Industries

Extra-large autonomous undersea vehicle co-developed by Anduril and Australia's Defence for ISR and strike; three prototypes delivered before the 2025 fleet contract.

Prototype
Production start
Oct 2025

Sources2

  1. 1

    Naval News · Sep 10, 2025 · Supports Organization technology, Technology

    ““This is a critical capability that the Albanese Government is delivering at pace – with all three prototypes delivered on budget and ahead of schedule.”
  2. 2

    Naval News · Sep 28, 2022 · Supports Organization technology

    “The U.S. Navy's Orca Extra Large Unmanned Undersea Vehicle (XLUUV) is 64% over its original cost estimate and at least 3 years late.”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.