Missouri Air National Guard Senior Master Sgt. John Matthews, the operations maintenance superintendent of the131st Civil Engineer Squadron, leads from the front as he and his Citizen Airmen aid in the construction of sandbag walls around local Eureka, Mo., businesses May 2, 2017. Matthews led a team of 30 to Eureka to support civilians and ensure their safety.

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Keywords: air, america, archive, armed, army, defence, employee, federal, force, forces, government, military, navy, reportage, service, serviceman, servicemen, states, united, usa