# Progress 25

> Soviet uncrewed Progress cargo spacecraft

**Wikidata**: [Q10639635](https://www.wikidata.org/wiki/Q10639635)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Progress_25)  
**Source**: https://4ort.xyz/entity/progress-25

## Summary
Progress 25 was a Soviet uncrewed Progress cargo spacecraft launched on March 19, 1986, from Gagarin's Start using a Soyuz-U2 carrier rocket. It was part of the Progress 7K-TG series, designed to resupply the Soviet space station Salyut 7.

## Key Facts
- **Class**: Progress 7K-TG
- **Launch date**: March 19, 1986
- **Launch site**: Gagarin's Start
- **Launch vehicle**: Soyuz-U2
- **COSPAR ID**: 1986-023A
- **SCN (Satellite Catalog Number)**: 16645
- **Instance of**: Progress 7K-TG spacecraft
- **Significant event**: Rocket launch from Gagarin's Start on March 19, 1986
- **Wikipedia languages**: English, Swedish

## FAQs
### Q: What was Progress 25?
A: Progress 25 was a Soviet uncrewed Progress cargo spacecraft launched in 1986 to resupply the Salyut 7 space station. It was part of the Progress 7K-TG series.

### Q: When was Progress 25 launched?
A: Progress 25 was launched on March 19, 1986, from Gagarin's Start using a Soyuz-U2 rocket.

### Q: What type of spacecraft was Progress 25?
A: Progress 25 was a member of the Progress 7K-TG series, a Soviet uncrewed cargo spacecraft designed for resupply missions to space stations.

### Q: What was the launch vehicle for Progress 25?
A: The Soyuz-U2 carrier rocket was used to launch Progress 25 from Gagarin's Start on March 19, 1986.

### Q: What was the purpose of Progress 25?
A: Progress 25 was launched to deliver supplies, fuel, and other cargo to the Soviet space station Salyut 7.

## Why It Matters
Progress 25 was part of the Soviet Union's extensive space program, which included the Salyut series of space stations. The Progress spacecraft played a crucial role in maintaining the Salyut 7 station, which was operational from 1982 to 1991. These uncrewed missions ensured that the station remained supplied with essential resources, including food, water, oxygen, and scientific equipment. The success of Progress 25 demonstrated the Soviet Union's capability in space logistics and contributed to the broader goals of space exploration and scientific research in low Earth orbit.

## Notable For
- **First launch of the Progress 7K-TG series**: Progress 25 was one of the earliest missions in this class, contributing to the development of Soviet space resupply technology.
- **Salyut 7 resupply**: It was specifically designed to support the Salyut 7 space station, ensuring its continued operation.
- **Soyuz-U2 launch**: The use of the Soyuz-U2 rocket marked a specific configuration in Soviet spaceflight.
- **COSPAR and SCN identification**: The spacecraft was tracked and cataloged under international space tracking systems.

## Body
### Classification and Design
Progress 25 was classified as a **Progress 7K-TG**, a variant of the Soviet Progress spacecraft series. This model was specifically engineered for resupply missions to the Salyut 7 space station, which was a key component of the Soviet space program during the 1980s.

### Launch Details
The spacecraft was launched on **March 19, 1986**, from **Gagarin's Start**, a launch site in Kazakhstan. The **Soyuz-U2** carrier rocket was used for the mission, which was tracked under the **COSPAR ID 1986-023A** and assigned the **SCN (Satellite Catalog Number) 16645**.

### Mission and Purpose
Progress 25 was tasked with delivering critical supplies to the **Salyut 7** space station, including food, water, oxygen, and scientific equipment. The spacecraft was part of a broader effort to sustain the station's operations, which were essential for Soviet space research and international collaboration in space exploration.

### Historical Context
The mission took place during a period of significant activity in the Soviet space program, including the operation of the Salyut 7 station, which was one of the longest-lived space stations of its time. Progress 25's successful launch and resupply mission highlighted the Soviet Union's advanced capabilities in space logistics and uncrewed spacecraft technology.

## References

1. Jonathan's Space Report