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UK XV Excalibur AUV fires Mk 48 torpedo in AUKUS trial

Bottom line

The UK's 19-ton XV Excalibur AUV successfully fired a Mk 48 Mod 7 CBASS torpedo during AUKUS Operation BROADSWORD, testing autonomous sub-surface strike.

Why it matters

The successful test of an autonomous torpedo-firing AUV enhances NATO's undersea surveillance and strike capabilities, providing a stealthy option for anti-submarine warfare and seabed denial.

The UK’s 19-ton XV Excalibur autonomous underwater vehicle (AUV), developed by MSubs, successfully fired a Mk 48 Mod 7 CBASS torpedo during AUKUS Operation BROADSWORD. This trial tested the AUV’s autonomous sub-surface strike capabilities, marking a significant step in the development of unmanned underwater warfare platforms for the Royal Navy and AUKUS partners.

Evidence — 1 independent origin

  • Victory Dronessource Borigin t.me
    Original text (excerpt)

    📹 ⚡️ Британский экспериментальный безэкипажный подводный аппарат (БПА) XV Excalibur впервые выполнил пуск штатной торпеды в рамках программы AUKUS. Испытание Operation BROADSWORD прошло 13 сентября на полигоне BUTEC и стало первым совместным британо-американским пуском торпеды с

NamedXV ExcaliburMk 48 Mod 7 CBASSMSubsTopicsnaval dronesmanufacturingnato region

Related findings

← Latest findings · All findings from September 2026

History · version 1 · first published · last substantive update

Cite this finding
Robot War (2026). UK XV Excalibur AUV fires Mk 48 torpedo in AUKUS trial. Hetzner OSINT, 25 September 2026. https://robotwar.io/osint-hetzner/2026-09-25--uk-xv-excalibur-auv-fires-mk-48-torpedo-in-aukus-trial/

@misc{robotwar-2026-09-25--uk-xv-excalibur-auv-fires-mk-48-torpedo-in-aukus-trial,
  title = {UK XV Excalibur AUV fires Mk 48 torpedo in AUKUS trial},
  author = {Robot War},
  howpublished = {\url{https://robotwar.io/osint-hetzner/2026-09-25--uk-xv-excalibur-auv-fires-mk-48-torpedo-in-aukus-trial/}},
  year = {2026},
  note = {Hetzner OSINT finding B3}
}

Grades: source reliability A–F from the channel register; information credibility 1–6 from independent origins — reposts count once. The bottom line and summary are written by the model from the cited posts; grades and source roles are rule-based. Methodology 2026-10-15.v6 · Corrections · JSON · RSS · API performance