United States Airman Maj. Manuel Hauck holds the North Atlantic Treaty Organization flag during the opening ceremony for exercise Saber Guardian 17 at Novo Selo Training Area, Bulgaria, July 11, 2017. Saber Guardian is a Army Europe-led, multinational exercise that spans across Bulgaria, Hungary and Romania with more than 25,000 service members 22 allied and partner nations.

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