Juno II AM-14 successfully launched Pioneer 4 on 3 March 1959. The probe passed the Moon and became the first U.S. spacecraft to escape Earth's gravity into heliocentric orbit.
Identity
Aliases
Juno II Pioneer 4 launch vehicleJuno II flight 2
Name
Juno II AM-14
Slug
juno-ii-am-14
Status
retired
Details
Description
Juno II AM-14 successfully launched Pioneer 4 on 3 March 1959. The probe passed the Moon and became the first U.S. spacecraft to escape Earth's gravity into heliocentric orbit.