the united states
Explorer 1 was launched on January 31, 1958. It was the first satellite launched by the United States.
The US launched Explorer 1 in 1958
It was called explorer 1 and was used for radio activity.
The first satellite from the United States launched into space was called Explorer 1. It was launched on January 31, 1958.
Dwight D Eisenhower
it launched in the year of 1958.
the name of the satellite was called Explorer
America's first satellite launched into outer space was called the Explorer 1, and was launched in 1958.
Explorer 1
The first successful US satellite , Explorer launched 1/31/58
The first successful US satellite , Explorer launched 1/31/58
The second satellite to be sent into Earth orbit was "Sputnik 2".