World Surveillance Group Inc (fka WSGI)

[indyjonesohio]

Here is NASA's copy of Max Munk's original 1924 work:

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19930091249_1993091249.pdf

WW is right--spherical balloons or flexible envelopes are the key. Small size is also a possible answer--which brings us back to looking at EWA or Valtronic for miniaturization. Good discussion IMO. Thanks to you guys! With appreciation, IndyJonesOhio