Vanguard TV-4BU
Vanguard TV-4BU was a converted backup test vehicle fitted with the lighter Allegany Ballistics Laboratory X-248 third stage. On 18 September 1959 it successfully launched Vanguard III, completing Project Vanguard's final flight.
Identity
- Aliases
- Vanguard Test Vehicle 4 BackupVanguard III launch vehicle
- Name
- Vanguard TV-4BU
- Status
- retired
Details
- Description
- Vanguard TV-4BU was a converted backup test vehicle fitted with the lighter Allegany Ballistics Laboratory X-248 third stage. On 18 September 1959 it successfully launched Vanguard III, completing Project Vanguard's final flight.
- First Flight Date
- 1959-09-18
- Vehicle Family
Links
Assets & Meta
- Creation Time
- July 13, 2026 at 12:35:53 UTC
- Updated Time
- July 13, 2026 at 12:35:53 UTC
Other
- Last Flight Date
- 1959-09-18
- Search Name
- Vanguard TV-4BU Vanguard Test Vehicle 4 Backup Vanguard III launch vehicle
- Serial Number
- TV-4BU
- Vehicle Code
- TV-4BU