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Lt. Col. Scott Siegfried (foreground), commander of 5th Battalion, 20th Infantry Regiment, salutes the senior officers of Hanuman Guardian during a pass and review at the exercise's closing ceremony, Feb. 7, 2019, at Camp Nimman Kolayut, Thailand. Hanuman Guardian 2019 was a training exercise with the Royal Thai Army designed to enhance military-to-military partnerships, interoperability and mission readiness.