I think they cruise at 70-80000 feet. Hence the large wing area - sort of like a solar powered U-2.

They go round in circles so the troops know where they can bounce the radio signals.

We also have solar powered Semi-dirigibles doing the same thing.

__________________
"I have no convictions ... I blow with the wind, and the prevailing wind happens to be from Vichy"

Current
Monika '74 450 SL
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Gone
'74 Jeep CJ5
'97 Jeep ZJ Laredo
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Bruno '81 300SD
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'92 Subaru
'96 Impala SS
'71 Buick GS conv
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