Box Brownie
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I noticed on Flight Radar24 there are 3 of the aforementioned balloons, they all start with designation HBAL
Googling reveals that a programme has been running on & off since I think 2019 and that they are steerable and can hold station and it seems can carry an unusually high payload weight!
PS they are @ 55,200, 61,000 & 66,200 feet.
Googling reveals that a programme has been running on & off since I think 2019 and that they are steerable and can hold station and it seems can carry an unusually high payload weight!
PS they are @ 55,200, 61,000 & 66,200 feet.
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