The Nebra Sky Disk And the Flat Earth Model
Ukraine International Airlines flight #PS231 from Kiev to New York made a U-turn. http://www.flightradar24.com/AUI231/7a6f04e
Instrument Flying Techniques 1961 US Air Force Pilot Training Film
The 74K Aerostat, as used in the PTDS System. Credit: Lockheed
Cheaper and easier than drones for doing surveillance, enormous helium balloons with cameras on board get mixed reviews from Afghans.
Wireless Internet from balloons? It's not that great a leap from existing tech.
balloon in the sky google internet speed - Google Search
Deepest Hole Ever Drilled - Secret and Surprising Findings