THULE AIR BASE, Greenland – Col. Doug Schiess, 21st Space Wing commander, signs the guest log at Thule Air Base, Greenland, Jan. 12, 2017. Schiess visited with the 821st Air Base Group and the 12th Space Warning Squadron to see how well the mission partners from Greenland, Denmark and Canada work together.

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Photo credit: © Chuck Little / Alamy / Afripics
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Keywords: 821st, ab, air, america, archive, armed, army, base, defence, force, forces, greenland, military, navy, reportage, service, serviceman, servicemen, soldier, states, thule, top, united, usa, world