Traveling at high altitude can be hazardous. The information provided here is designed for educational use only and is not a substitute for specific training or experience. Princeton University and ...

Browse a gallery of the U.S. Air Force's high-altitude balloon experiments and the researchers, scientists, and test pilots who made them possible.

In the years since then, balloon flight technology has evolved from cloth balloons and open baskets to polyethylene balloons and metal pressurized gondolas that allow for high-altitude atmospheric ...