Maritime Big Play Pacific (AUKUS) military exercise

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Deployment information
Deploying nationUnited States
Host nation or areaOff Southern California (United States)
RegionNorth America
Military branch🏳️ Joint or multiple branches
Record typeMilitary exercise
Operation or missionMaritime Big Play Pacific (AUKUS)
Unit or formationNot publicly confirmed
PersonnelNot disclosed
EquipmentNot stated
StatusHistorical
Start or report dateOct 5, 2026
Withdrawal or end dateOct 5, 2026
Last verifiedOct 5, 2026
ConfidenceHigh: official or multiple independent sources

Background

Dates: Oct. 5-26, 2026 (completed). Where: Off Southern California. Participants as stated: U.S., Australia, U.K.; more than 40 technologies incl. uncrewed systems. Lead: Department of War.

Deployment timeline

  1. Record added from The Boston Report Military Deployments Tracker. Source report dated 2026-10-05.

Sources

Related deployments

Public information only. Locations are given at country or sea-area level. Figures are shown as the source reported them; estimates and claims are labeled. Spot an error? Request a correction.

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