# Progress 3

> Soviet uncrewed Progress cargo spacecraft

**Wikidata**: [Q7248541](https://www.wikidata.org/wiki/Q7248541)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Progress_3)  
**Source**: https://4ort.xyz/entity/progress-3

## Summary
Progress 3 was a Soviet uncrewed Progress cargo spacecraft, launched on August 7, 1978. It belonged to the Progress 7K-TG class of Soviet uncrewed spacecraft. The mission utilized a Soyuz-U rocket for its launch from Baikonur Cosmodrome Site 31.

## Key Facts
- Progress 3 is a Soviet uncrewed Progress cargo spacecraft.
- It was launched on August 7, 1978.
- The launch vehicle for Progress 3 was a Soyuz-U rocket.
- Its launch originated from Baikonur Cosmodrome Site 31.
- Progress 3 is an instance of the Progress 7K-TG class of Soviet uncrewed spacecraft.
- Its COSPAR ID is 1978-077A.
- The SCN (Spacecraft Catalog Number) for Progress 3 is 10999.

## FAQs
### Q: What is Progress 3?
A: Progress 3 is a Soviet uncrewed Progress cargo spacecraft. It was designed to deliver supplies to orbital stations.

### Q: When was Progress 3 launched?
A: Progress 3 was launched on August 7, 1978. This event is recorded with the COSPAR ID 1978-077A.

### Q: Where was Progress 3 launched from?
A: Progress 3 was launched from Baikonur Cosmodrome Site 31. This site is located in the Soviet Union.

### Q: What type of spacecraft is Progress 3?
A: Progress 3 is an instance of the Progress 7K-TG class, which are Soviet uncrewed spacecraft. It functioned as a cargo vehicle.

### Q: What rocket was used to launch Progress 3?
A: Progress 3 was launched using a Soyuz-U rocket. The Soyuz-U is a variant of the Soyuz rocket design.

## Why It Matters
Progress 3, as a Soviet uncrewed Progress cargo spacecraft, played a vital role in the logistical support of space operations. These spacecraft were specifically designed to deliver essential supplies, including consumables, equipment, and propellants, to orbital stations. This capability was crucial for enabling the sustained presence and long-duration missions of cosmonauts in space. By ensuring a continuous flow of necessary resources, Progress missions like Progress 3 were fundamental to extending the operational lifespan and scientific output of human spaceflight endeavors. Its launch in 1978 marked a continuation of the Soviet Union's commitment to developing and refining automated resupply systems. This demonstrated the nation's advanced capacity for maintaining complex space infrastructure and ensuring the viability of long-term crewed missions. The successful operation of such cargo vehicles established a crucial precedent for future space logistics, underscoring the indispensable role of dedicated resupply spacecraft in supporting human exploration and scientific research beyond Earth. Progress 3 contributed to the overall reliability and experience gained in operating these critical support systems.

## Notable For
- Being a Soviet uncrewed Progress cargo spacecraft.
- Its launch on August 7, 1978.
- Being launched from Baikonur Cosmodrome Site 31.
- Its use of a Soyuz-U rocket as its launch vehicle.
- Being an instance of the Progress 7K-TG class of spacecraft.

## Body
### Overview
- Progress 3 is identified as a Soviet uncrewed Progress cargo spacecraft.
- It is an instance of the Progress 7K-TG class of Soviet uncrewed spacecraft.

### Launch Details
- Progress 3 was launched on August 7, 1978.
- The launch took place from Baikonur Cosmodrome Site 31.
- The launch vehicle utilized for this mission was a Soyuz-U rocket.
- The launch event is associated with the COSPAR ID 1978-077A.

### Identifiers
- The Spacecraft Catalog Number (SCN) for Progress 3 is 10999.
- Its COSPAR ID is 1978-077A.
- It has a Freebase ID of /m/0j294my.

### Related Entities
- Progress 3 belongs to the Progress 7K-TG class, which consists of Soviet uncrewed spacecraft.
- The launch vehicle, Soyuz-U, is a variant of the Soyuz rocket design.

## References

1. Jonathan's Space Report