UK MoD video: AUKUS Maritime Big Play under way off San Diego

Text poster only. The source video is a montage opening on an AUKUS emblem over water, then a warship's flight deck at a harbour, a British service member at a display screen, a white aerostat being launched on shore, a red-and-yellow sensor buoy in the sea, a fire hose spraying from a deck, an uncrewed boat with a U.S. flag in spray, and fast boats leaving white wakes, ending on the words AUKUS Accelerated, Integrated to Win. — UK Ministry of Defence (@DefenceHQ), watch at source · Link-only (source-hosted; not rehosted)

Video released Oct. 19, 2026 by the UK Ministry of Defence. The ministry says Maritime Big Play is under way in San Diego and will show how the UK, Australia and the U.S. integrate and fight together across the maritime domain. A U.S. Navy release reported by Stars and Stripes says the AUKUS Pillar II event runs Oct. 5-25 off Southern California and tests more than 40 crewed and uncrewed technologies. The 57-second montage shows a warship deck, an aerostat launch, a sensor buoy in the water and uncrewed boats at speed.

What: UK MoD video: AUKUS Maritime Big Play under way off San Diego
Where: San Diego / Southern California waters
When: Oct 19, 2026
Who: UK Ministry of Defence (@DefenceHQ)
Status: Official release
Warning: Content warning: None. Ships, an aerostat and uncrewed boats in an exercise; no one harmed. Graphic level: none.

Sources

UK Ministry of Defence (@DefenceHQ) · UK Ministry of Defence on X (Oct. 19, 2026)

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Record details

Captured 19 October 2026. Time captured: not stated. Releasing authority: UK Ministry of Defence (@DefenceHQ). Location: San Diego / Southern California waters.

Watch at source

Credit: UK Ministry of Defence (@DefenceHQ), watch at source. License: Link-only (source-hosted; not rehosted).