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