United States Air ForceLaunch
Discoverer 3
Launch Failure
Launch Failure
June 1959 missions
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4 upcoming missions · UTC
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Soviet Space ProgramLaunch
Luna-2a
Launch Failure
Launch Failure
US NavyLaunch
Vanguard
Launch Failure
Launch Failure
United States Air ForceLaunch
Discoverer 4
Launch Failure
Launch Failure
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