Keen Sword 2027 military exercise

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Deployment information
Deploying nationUnited States
Host nation or areaJapan
RegionEast Asia
Military branch🏳️ Joint or multiple branches
Record typeMilitary exercise
Operation or missionKeen Sword 2027
Unit or formationNot publicly confirmed
PersonnelNot disclosed
EquipmentNot stated
StatusHistorical
Start or report dateOct 19, 2026
Withdrawal or end dateOct 19, 2026
Last verifiedOct 19, 2026
ConfidenceHigh: official or multiple independent sources

Background

Dates: Oct. 19-29, 2026 (completed). Where: Japan: Okinawa, Sakashima Islands, Tanegashima, Sea of Japan, East China Sea. Participants as stated: About 11,000 U.S. and 45,000 Japanese personnel; 7 partner nations. Lead: U.S. Pacific Command.

Deployment timeline

  1. Record added from The Boston Report Military Deployments Tracker. Source report dated 2026-10-19.

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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