US NavyVanguardLaunch Complex 18A, Cape Canaveral SFS, FL, USA
Vanguard
Launched
April 29, 1958
Image: NASA
Summary
Vanguard launched on an US Navy Vanguard from Launch Complex 18A, Cape Canaveral SFS, FL, USA on April 29, 1958. The mission failed. It was US Navy's 4th launch, 3rd this year and humanity's 10th orbital launch attempt. It was the 4th Vanguard flight and the 3rd this year. The payload was bound for low Earth orbit (LEO).
- Watch
- No webcast on record.
- Vehicle
- Vanguard · US Navy
- Booster
- No booster details on record.
- Mission
- Test Flight · Low Earth Orbit (LEO)
- Milestone
- 4th Vanguard flight · 3rd this yearUS Navy's 4th launch3rd this yearhumanity's 10th orbital launch attempt7th orbital launch attempt this year
Flight preview
About this launch
Small satellite used to test the Vanguard three-stage launch vehicle.
Pad

Launch Complex 18A, Cape Canaveral SFS, FL, USA
4th launch from Launch Complex 18A, 3rd this year · 7th from Cape Canaveral SFS, FL, USA
18 launches from this pad · 1,131 from Cape Canaveral SFS, FL, USA
42 days after the previous launch from this pad
Questions
When did Vanguard launch?
Vanguard launched on April 29, 1958. The time is known to the hour, not the minute.
Where can I watch Vanguard?
No webcast is on record for this launch.
What rocket launched Vanguard?
Vanguard, flown by US Navy. Vanguard spec sheet
Where did Vanguard launch from?
Launch Complex 18A, Cape Canaveral SFS, FL, USA.
What orbit was Vanguard going to?
Low Earth Orbit (LEO), a test flight mission.
