US Army's 1-40 CAV Reflags as 1st Battalion, 511th Parachute Infantry Regiment Amid ROK Partnership

The 1-40 CAV squadron from Alaska is set to reflag as the 1st Battalion, 511th Parachute Infantry Regiment in July 2026. The recent exercise in Korea involved approximately 900 U.S. and ROK personnel, showcasing integrated operations with advanced technology. Training included joint fire support from mortars and Apache helicopters, enabling ground forces to secure objectives. The exercise underscores the U.S. Army's capability to deploy rapidly across the Indo-Pacific and emphasizes the strengthening of the U.S.-ROK alliance.

Published Mar 29, 2026

The 1-40 CAV squadron's deployment from Alaska to Korea demonstrates the U.S. Army's capability to operate globally. The unit will reflag as the 1st Battalion, 511th Parachute Infantry Regiment in July 2026.

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The exercise involved around 900 personnel from the U.S. and ROK, including the ROK Army's 8th Maneuver Division and Marine Corps units. Operations featured reconnaissance drones, mortar fire, and Apache helicopter strikes, enabling ground forces to engage and secure objectives.

The exercise highlights the U.S. Army's readiness to deploy combat forces across the Indo-Pacific, enhancing the interoperability of the U.S.-ROK alliance.