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.
F-35As from the Vermont Air National Guard have deployed to Puerto Rico in recent days, continuing a major buildup of U.S. Air Force assets in Latin America aimed at combating drug trafficking and pressuring the regime of Venezuelan leader Nicolas Maduro.
