May 18 1961
From The Space Library
First test inflation of 135-foot rigidized inflatable balloon satellite in dirigible hangar, conducted by NASA Langley Research Center and G. T. Schjeldahl Co. at Weeksville, N.C.
NASA selected RCA to construct the Relay experimental communications satellite to test the feasibility of transoceanic telephone, telegraph, and television communications using an active repeater satellite.
Announced by NASA Institute of Space Studies in New York that first major project, a 2-month seminar on the origin of the solar system, would be held in fall 1961.
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