Jul 1 1957

From The Space Library

Aerobee upper air research rocket developed by the Applied Physics Laboratory of Johns Hopkins, and first fired on September 25, 1947, completed 165 successful firings to date.

International Geophysical Year began. The scientists of 67 nations were to participate in a cooperative, worldwide scientific program which would last for 18 months and would be coordinated internationally by CSAGI of the International Council of Scientific Unions.