# Atlas SLV-3D Centaur-D1A

> type of American expendable launch vehicle

**Wikidata**: [Q123499372](https://www.wikidata.org/wiki/Q123499372)  
**Source**: https://4ort.xyz/entity/atlas-slv-3d-centaur-d1a

## Summary
The Atlas SLV-3D Centaur-D1A was an American expendable launch vehicle manufactured by Convair. It served as a specific rocket model within the Atlas Centaur-D class, utilizing a distinct combination of Atlas and Centaur stages. The vehicle was operational for a brief period in the 1970s, launching its first mission on April 6, 1973, and retiring from service on May 22, 1975.

## Key Facts
- **Classification:** It is a model of American expendable launch vehicle and a subclass of the Atlas Centaur-D.
- **Manufacturer:** The rocket was manufactured by Convair.
- **Country of Origin:** United States.
- **First Flight:** April 6, 1973.
- **Service Retirement:** May 22, 1975.
- **Stage Configuration:** The vehicle consisted of three main components: the Atlas MA-5 (Stage 0), the Atlas SLV-3 (Stage 1), and the Centaur (Stage 2).
- **Associated Mission:** It is related to the Mariner 10, an American space probe.
- **Alternate Names:** Also known as Atlas-SLV3D Centaur-D1A, Atlas Centaur SLV-3D, and Atlas SLV-3D Centaur.

## FAQs
### Q: What are the main components of the Atlas SLV-3D Centaur-D1A?
A: The launch vehicle is comprised of three specific stages: the Atlas MA-5 (designated as stage 0), the Atlas SLV-3 (designated as stage 1), and the Centaur stage (designated as stage 2).

### Q: How long was the Atlas SLV-3D Centaur-D1A in service?
A: The vehicle had a short operational lifespan, flying for the first time on April 6, 1973, and officially retiring from service on May 22, 1975.

### Q: What class of rocket does the Atlas SLV-3D Centaur-D1A belong to?
A: It is a subclass of the Atlas Centaur-D and is categorized specifically as a rocket model of American expendable launch vehicles.

## Why It Matters
The Atlas SLV-3D Centaur-D1A represents a specific, operational iteration of the highly successful Atlas-Centaur rocket family, which played a critical role in American space exploration during the mid-20th century. Manufactured by Convair, this vehicle exemplifies the transition and refinement of launch technologies utilized for heavy payload delivery.

Its significance is highlighted by its direct association with the Mariner 10 space probe, a major scientific mission. As an expendable launch vehicle, the Atlas SLV-3D Centaur-D1A provided the necessary thrust and orbital insertion capabilities required for interplanetary trajectories during the early 1970s. The integration of the Centaur upper stage was particularly vital for high-energy missions, distinguishing this model from earlier Atlas variants that lacked the same payload capacity for deep space objectives. Although its service life was relatively brief—spanning just over two years—this model stands as a distinct example of the specialized rocket configurations developed to meet the precise demands of NASA's planetary exploration programs.

## Notable For
- **Specialized Configuration:** Being a distinct subclass of the Atlas Centaur-D, featuring the specific Atlas SLV-3D and Centaur-D1A stage pairing.
- **Stage Separation:** Utilizing a 3-stage assembly structure (Atlas MA-5, Atlas SLV-3, and Centaur) to achieve mission objectives.
- **Scientific Association:** Its connection to the Mariner 10 American space probe.
- **Short Service Life:** Having a defined operational window of approximately two years (1973–1975).
- **Convair Manufacturing:** Being a product of the prominent American aerospace manufacturer Convair.

## Body

### Manufacturer and Origin
The Atlas SLV-3D Centaur-D1A was an American-made rocket model manufactured by Convair. As an expendable launch vehicle, it was designed for one-time use to deploy payloads into space.

### Technical Specifications
The vehicle was composed of a specific set of parts arranged in a sequence:
*   **Stage 0:** Atlas MA-5
*   **Stage 1:** Atlas SLV-3
*   **Stage 2:** Centaur

This configuration classified the entity as a rocket model under the broader parent class of Atlas Centaur-D.

### Operational History
The Atlas SLV-3D Centaur-D1A had a specific service timeline defined by two key dates:
*   **First Flight:** The vehicle flew for the first time on April 6, 1973.
*   **Retirement:** The model was retired from service on May 22, 1975.

### Related Missions
According to structured data sources, the Atlas SLV-3D Centaur-D1A is related to the Mariner 10, an American space probe. This linkage indicates the vehicle's role in significant aerospac

## References

1. [Source](https://space.skyrocket.de/doc_lau_det/atlas-slv3d_centaur-d1a.htm)
2. [Source](https://space.skyrocket.de/doc_lau_det/atlas-slv3d_centaur-d1a_star-37e.htm)