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GAO Reveals DoD Changed Guam Missile Defense Architecture, Canceled TPY-6 Radar

GAO Reveals DoD Changed Guam Missile Defense Architecture, Canceled TPY-6 Radar
The Vertical Launching System (VLS) was used as a part of Flight Experiment Mission-02. The VLS fired a Standard Missile-3 Block IIA to intercept a ballistic missile target. Photo: Missile Defense Agency

A recent Government Accountability Office (GAO) report revealed a top Biden administration DoD official changed the Guam Defense System (GDS) missile defense architecture in the final days of the administration, notably canceling the new radar system. While the new report warned DoD has not developed the full strategy or schedules to deploy the various elements, it references a Jan. 7, 2025 memo from then- Deputy Secretary of Defense Kathleen Hicks that significantly altered the GDS architecture, most noticeable by terminating…

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