# Progress 2

> Soviet uncrewed Progress cargo spacecraft

**Wikidata**: [Q7248539](https://www.wikidata.org/wiki/Q7248539)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Progress_2)  
**Source**: https://4ort.xyz/entity/progress-2

## Summary
Progress 2 was the second Soviet uncrewed Progress cargo spacecraft, launched on July 7, 1978, from the Baikonur Cosmodrome. It was part of the Progress 7K-TG series and used the Soyuz-U rocket for its mission.

## Key Facts
- **Launch date**: July 7, 1978
- **Launch site**: Baikonur Cosmodrome Site 31
- **Launch vehicle**: Soyuz-U
- **Class**: Progress 7K-TG
- **COSPAR ID**: 1978-070A
- **SCN (Satellite Catalog Number)**: 10979
- **Significant event**: Rocket launch on July 7, 1978, from Baikonur Cosmodrome Site 31
- **Wikipedia languages available**: Greek, English, Indonesian, Swedish

## FAQs
### Q: What was the purpose of Progress 2?
A: Progress 2 was an uncrewed Soviet cargo spacecraft designed to resupply space stations, particularly the Salyut series. It carried supplies, fuel, and other essentials to maintain operations in orbit.

### Q: Which rocket launched Progress 2?
A: Progress 2 was launched using the Soyuz-U rocket, a variant of the Soyuz rocket family.

### Q: Where was Progress 2 launched from?
A: Progress 2 was launched from Baikonur Cosmodrome Site 31, a key launch facility in Kazakhstan.

### Q: What was the significance of Progress 2 in space exploration?
A: Progress 2 was part of the early Soviet resupply missions to space stations, demonstrating the capability to sustain long-duration space missions by delivering critical resources.

### Q: How does Progress 2 compare to other Soviet spacecraft?
A: Progress 2 was part of the Progress 7K-TG series, which was designed to be a reliable and efficient resupply vehicle for Soviet space stations, similar to other Progress missions of the era.

## Why It Matters
Progress 2 played a crucial role in the Soviet space program by enabling the continuous operation of space stations like Salyut. As an uncrewed cargo spacecraft, it ensured that astronauts had access to essential supplies, fuel, and equipment without the need for crewed missions. The success of Progress 2 demonstrated the Soviet Union's ability to sustain long-term space exploration, paving the way for future resupply missions. Its launch and operation were part of a broader effort to advance space technology and maintain a competitive edge in the space race. By reliably delivering supplies to orbit, Progress 2 contributed to the scientific and technological advancements of the era, supporting both military and civilian space objectives.

## Notable For
- **First of its kind**: Progress 2 was the second mission in the Progress 7K-TG series, following the first successful launch of Progress 1.
- **Resupply mission**: It was designed to deliver critical supplies to Soviet space stations, ensuring continuous operations.
- **Soyuz-U launch**: The use of the Soyuz-U rocket marked a reliable method for deploying cargo spacecraft.
- **Baikonur launch site**: The mission originated from Baikonur Cosmodrome Site 31, a key facility for Soviet space launches.
- **Early space logistics**: Progress 2 was part of the early efforts to establish a sustainable presence in space through automated resupply.

## Body
### Mission Overview
Progress 2 was launched on July 7, 1978, from Baikonur Cosmodrome Site 31 using the Soyuz-U rocket. It was part of the Progress 7K-TG series, which was designed to resupply Soviet space stations, particularly the Salyut series. The spacecraft carried supplies, fuel, and other essentials to maintain the operations of the space station in orbit.

### Design and Specifications
Progress 2 belonged to the Progress 7K-TG class, which was a specialized spacecraft for uncrewed cargo delivery. It had a Satellite Catalog Number (SCN) of 10979 and a COSPAR ID of 1978-070A. The spacecraft was equipped to handle the logistics of space station resupply, including the transportation of fuel, water, and other critical resources.

### Launch and Operations
The launch of Progress 2 was a significant event in the Soviet space program. It marked the second mission in the Progress series, following the successful deployment of Progress 1. The Soyuz-U rocket was chosen for its reliability and effectiveness in deploying cargo spacecraft into orbit. The mission took place from Baikonur Cosmodrome Site 31, a key launch facility for Soviet space missions.

### Historical Context
Progress 2 was part of the broader efforts to sustain space exploration through automated resupply. The Soviet Union's ability to deliver supplies to space stations was crucial for maintaining long-duration missions and advancing scientific research in space. The spacecraft's success contributed to the broader goals of the space race and the Soviet Union's ambitions in space exploration.

### Legacy
Progress 2's mission laid the groundwork for future resupply operations, demonstrating the feasibility of automated cargo delivery to space stations. Its launch and operation were part of a larger effort to establish a sustainable presence in space, supporting both military and civilian objectives. The spacecraft's role in the Soviet space program highlighted the importance of reliable resupply missions for the success of long-term space exploration.

## References

1. Jonathan's Space Report