Explorer I, the first US satellite, is launched by the Army at Cape Canaveral, Fla. The satellite, launched on a Jupiter-C rocket, will later play a key role in the discovery of the Van Allen radiation belt.
The Air Force is slashing all civilian positions at its premier research institute for Chinese military aviation, prompting concern among experts who say it will dilute the service’s focus on the Pentagon’s most significant long-term adversary.
