Thor-Delta D Launch Vehicle
Thor-Delta D was the first thrust-augmented Delta configuration. It added three Thiokol solid-propellant motors to the Thor first stage and retained liquid and solid upper stages. Two vehicles flew successfully for NASA: Syncom 3 in August 1964 and Intelsat I, Early Bird, in April 1965.
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Identity
- Aliases
- Delta DThor Delta DThrust-Augmented DeltaTADDSV-3D
- Family Name
- Thor-Delta D
- Full Name
- Thor-Delta D Launch Vehicle
- Status
- retired
- Type
- rocket
- Variant Name
- D
Details
- Description
- Thor-Delta D was the first thrust-augmented Delta configuration. It added three Thiokol solid-propellant motors to the Thor first stage and retained liquid and solid upper stages. Two vehicles flew successfully for NASA: Syncom 3 in August 1964 and Intelsat I, Early Bird, in April 1965.
- First Flight Year
- 1,964
- Last Flight Year
- 1,965
- Manufacturer
- Operator
- Parent Vehicle Family
- Rocket Specs
- Reusability
- expendable
- Stages Count
- 3
Links
- Official Url
- https://ntrs.nasa.gov/citations/19660012415
Assets & Meta
- Creation Time
- July 18, 2026 at 05:52:13 UTC
- Updated Time
- July 19, 2026 at 10:01:56 UTC
- Image
- Download
Other
- Search Name
- Thor-Delta D Launch Vehicle Delta D Thor Delta D Thrust-Augmented Delta TAD DSV-3D