Thor-Delta L Launch Vehicle
Thor-Delta L was a three-stage long-tank, thrust-augmented Delta configuration using three Castor II strap-on motors. Two vehicles flew for NASA: the Pioneer-E launch failed in August 1969 after a first-stage hydraulic malfunction, while the second vehicle successfully launched HEOS 2 in January 1972.
Identity
- Aliases
- Delta LThor Delta LLong-Tank Thrust-Augmented Improved DeltaDSV-3L
- Family Name
- Thor-Delta L
- Full Name
- Thor-Delta L Launch Vehicle
- Reusability
- expendable
- Slug
- thor-delta-l
- Status
- retired
- Type
- rocket
- Variant Name
- L
Details
- Description
- Thor-Delta L was a three-stage long-tank, thrust-augmented Delta configuration using three Castor II strap-on motors. Two vehicles flew for NASA: the Pioneer-E launch failed in August 1969 after a first-stage hydraulic malfunction, while the second vehicle successfully launched HEOS 2 in January 1972.
- First Flight Year
- 1,969
- Last Flight Year
- 1,972
- Manufacturer
- Operator
- Parent Vehicle Family
- Stages Count
- 3
Links
- Official Url
- https://ntrs.nasa.gov/citations/19720008096
Assets & Meta
- Creation Time
- July 18, 2026 at 06:08:57 UTC
- Updated Time
- July 18, 2026 at 06:08:57 UTC