# Delta C

> American expendable launch vehicle

**Wikidata**: [Q49530](https://www.wikidata.org/wiki/Q49530)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Delta_C)  
**Source**: https://4ort.xyz/entity/delta-c

## Summary
Delta C is an American expendable launch vehicle, part of the Thor-Delta class. It was used to deploy various satellites, including research and weather observation missions, during the mid-20th century.

## Key Facts
- Part of the Thor-Delta launch system, a family of American expendable rockets.
- Launched satellites such as Explorer 18, Explorer 21, and Explorer 28.
- Deployed weather satellites like ESSA-1, TIROS-9, and TIROS-10.
- Used for research missions, including the EPE-D satellite and OSO (Orbiting Solar Observatory) missions.
- Originated from the United States, reflecting its role in early U.S. space exploration.
- Sitelink count of 7, indicating moderate online presence and references.

## FAQs
### Q: What type of missions did Delta C support?
A: Delta C supported a variety of missions, including deploying research satellites like Explorer 18 and Explorer 21, as well as weather satellites such as ESSA-1 and TIROS-9.

### Q: Was Delta C part of a larger rocket family?
A: Yes, Delta C was part of the Thor-Delta class, a series of American expendable launch vehicles used during the mid-20th century.

### Q: What was the significance of Delta C in space exploration?
A: Delta C played a key role in early U.S. space exploration by launching satellites for research and weather observation, contributing to scientific and operational advancements.

### Q: Which notable satellites were launched by Delta C?
A: Notable satellites launched by Delta C include Explorer 18, Explorer 21, Explorer 28, ESSA-1, TIROS-9, and TIROS-10.

### Q: Where did Delta C originate?
A: Delta C originated in the United States, reflecting its development and use within the U.S. space program.

## Why It Matters
Delta C was a critical component of the Thor-Delta launch system, which played a pivotal role in early U.S. space exploration. It enabled the deployment of satellites for scientific research, solar observation, and weather monitoring, contributing to advancements in space technology and data collection. The missions supported by Delta C provided valuable insights into solar activity, atmospheric conditions, and other space phenomena, laying the groundwork for future space missions. Its role in launching early research and weather satellites demonstrated the capabilities of the U.S. space program during the mid-20th century.

## Notable For
- Launched the Explorer 18 satellite, part of NASA's Explorer program.
- Deployed the ESSA-1 weather satellite, a key mission in early weather observation.
- Supported the OSO (Orbiting Solar Observatory) missions, including OSO 2 and OSO 3.
- Part of the Thor-Delta family, which was instrumental in early U.S. space exploration.
- Launched the TIROS-9 and TIROS-10 satellites, contributing to weather monitoring advancements.

## Body
### Overview
Delta C was an American expendable launch vehicle, part of the Thor-Delta class. It was used to deploy a variety of satellites, including research and weather observation missions, during the mid-20th century.

### Missions
- Launched satellites such as Explorer 18, Explorer 21, and Explorer 28.
- Deployed weather satellites like ESSA-1, TIROS-9, and TIROS-10.
- Supported research missions, including the EPE-D satellite and OSO (Orbiting Solar Observatory) missions.

### Significance
- Played a key role in early U.S. space exploration.
- Contributed to scientific research and weather monitoring.
- Part of the Thor-Delta family, which was instrumental in early space missions.

### Technical Details
- Originated from the United States.
- Sitelink count of 7, indicating moderate online presence and references.

```json
{
  "@context": "https://schema.org",
  "@type": "Thing",
  "name": "Delta C",
  "description": "American expendable launch vehicle part of the Thor-Delta class.",
  "sameAs": ["https://www.wikidata.org/wiki/Q123456789", "https://en.wikipedia.org/wiki/Delta_C"],
  "additionalType": "RocketModel"
}