# Titan IIIE

> model of Titan III launch vehicle

**Wikidata**: [Q1187262](https://www.wikidata.org/wiki/Q1187262)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Titan_IIIE)  
**Source**: https://4ort.xyz/entity/titan-iiie

## Summary
The Titan IIIE was a model of the Titan III launch vehicle, an American expendable rocket system derived from the Titan ICBM. It was notable for launching several high-profile NASA missions, including the Voyager probes and the Viking Mars landers.

## Key Facts
- The Titan IIIE was part of the Titan III series of launch vehicles, based on the Titan intercontinental ballistic missile (ICBM).
- It was manufactured by Martin Marietta in the United States.
- The rocket consisted of multiple stages, including UA1205 solid rocket boosters, Titan 3A-1 and 3A-2 core stages, and a Centaur upper stage.
- An optional Star 37 stage was sometimes used as a fourth stage.
- The Titan IIIE launched significant NASA missions, including Voyager 1 and Voyager 2, the Viking Mars landers and orbiters, and the Helios solar probes.
- It was also associated with the Sphinx test satellite and the cancelled Applications Technology Satellite G.

## FAQs
### Q: What was the Titan IIIE used for?
A: The Titan IIIE was primarily used to launch NASA spacecraft, including interplanetary probes like Voyager 1 and Voyager 2, as well as Mars landers and orbiters (Viking 1 and 2).

### Q: Who manufactured the Titan IIIE?
A: The Titan IIIE was manufactured by Martin Marietta, an American aerospace company.

### Q: What were the main components of the Titan IIIE?
A: The Titan IIIE consisted of UA1205 solid rocket boosters, Titan 3A-1 and 3A-2 core stages, a Centaur upper stage, and optionally a Star 37 fourth stage.

### Q: What notable missions did the Titan IIIE launch?
A: It launched Voyager 1 and 2, the Viking Mars missions, the Helios solar probes, and other NASA spacecraft.

## Why It Matters
The Titan IIIE played a crucial role in advancing space exploration during the 1970s. As a high-capacity launch vehicle, it enabled NASA to send ambitious missions to Mars (Viking landers and orbiters) and beyond (Voyager probes to the outer solar system). Its reliability and payload capacity made it instrumental in expanding humanity’s understanding of the solar system. The Titan IIIE’s legacy includes some of the most iconic space missions in history, such as Voyager 1, which became the farthest human-made object from Earth.

## Notable For
- Launching the Voyager 1 and Voyager 2 probes, which conducted groundbreaking studies of the outer solar system.
- Deploying the Viking 1 and Viking 2 landers and orbiters, the first successful Mars landers.
- Being part of the Titan III series, a family of rockets derived from the Titan ICBM.
- Featuring a Centaur upper stage, which enhanced its payload capacity for deep-space missions.
- Supporting international collaborations, such as the Helios solar probes (a joint NASA-DLR mission).

## Body
### Overview
The Titan IIIE was a variant of the Titan III launch vehicle, designed for heavy-lift missions. It was developed to meet NASA’s needs for launching interplanetary spacecraft and high-orbit satellites.

### Technical Specifications
- **Stages**:
  - **Stage 0**: Two UA1205 solid rocket boosters.
  - **Stage 1**: Titan 3A-1 core stage.
  - **Stage 2**: Titan 3A-2 core stage.
  - **Stage 3**: Centaur upper stage (liquid hydrogen/oxygen).
  - **Optional Stage 4**: Star 37 solid rocket motor (used for some missions).

### Missions
The Titan IIIE was responsible for launching:
- **Voyager 1 and Voyager 2** (1977): Probes that studied the outer planets and continue to explore interstellar space.
- **Viking 1 and Viking 2** (1975): Mars landers and orbiters that conducted the first successful landings on Mars.
- **Helios 1 and Helios 2** (1974, 1976): Solar probes that studied the Sun’s environment.
- **Other payloads**: Including the Sphinx test satellite and the cancelled Applications Technology Satellite G.

### Legacy
The Titan IIIE’s success in launching critical NASA missions cemented its place in space exploration history. Its ability to deliver heavy payloads to deep-space trajectories made it a key asset during the 1970s.

## Schema Markup
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  "@type": "Thing",
  "name": "Titan IIIE",
  "description": "Model of Titan III launch vehicle used for NASA missions.",
  "sameAs": [
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    "https://en.wikipedia.org/wiki/Titan_IIIE"
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## References

1. [Source](http://www.astronautix.com/t/titaniiie.html)
2. [Source](https://space.skyrocket.de/doc_lau_det/titan-3e_centaur-d1t_star-37e.htm)
3. Freebase Data Dumps. 2013