The caravan of eight vehicles circled to a stop in the morning fog that lay on the floor of the open-pit Minnesota iron mine. With swift precision, the coveralled men of the launching crew lowered an eight-foot metal capsulean elongated vacuum bottleto the crater floor and attached to it a gigantic (280 ft. high), pear-shaped polyethylene balloon. Within the capsule, a balding Air Force space surgeon named Dave Simons stirred impatiently in his tight little world.
So began last week a modern adventure of man against the sky. The Air Force's aim: to suspend one man at 100,000 ft. for 24 hours...