
Foto: U.S. Army Corps of Engineers, Cold Regions Research and Engineering Laboratory, Public domain, via Wikimedia Commons

Foto: U.S. Army Corps of Engineers, Cold Regions Research and Engineering Laboratory, Public domain, via Wikimedia Commons

Foto: Profimedia

Foto: Profimedia

Foto: Profimedia

Základňa Thule, dnes už známa ako Pituffik Space Base. Foto: Profimedia