The US launched Explorer 1 in 1958
It was called explorer 1 and was used for radio activity.
Explorer 1(1958 Alpha1)
the united states
It was called explorer 1 and was used for radio activity.
January 31, 1958
Dwight D Eisenhower
it launched in the year of 1958.
Explorer One launched on January 31st 1958.
Explorer 1
The first successful US satellite , Explorer launched 1/31/58
The first successful US satellite , Explorer launched 1/31/58