May 1950
From The Space Library
New York University research balloon released from Holloman AFB drifted 7,000 miles and was recovered in Myrdal, Norway.
USAF SAM scientists, Drs. Fritz and Heinz Haber, delivered paper on "Possible Methods of Producing the Gravity-Free State for Medical Research," suggesting aerodynamic parabolas with use of aircraft to obtain up to 30 seconds of relative weightlessness.