# Progress 39

> Soviet uncrewed Progress cargo spacecraft

**Wikidata**: [Q10639650](https://www.wikidata.org/wiki/Q10639650)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Progress_39)  
**Source**: https://4ort.xyz/entity/progress-39

## Summary
Progress 39 was a Soviet uncrewed cargo spacecraft launched on December 25, 1988. It was an instance of the Progress 7K-TG class, designed to provide resupply and logistics support for orbital operations.

## Key Facts
- **Classification:** Progress 7K-TG class uncrewed cargo spacecraft.
- **Launch Date:** December 25, 1988.
- **Launch Vehicle:** Soyuz-U2 carrier rocket.
- **Launch Site:** Gagarin's Start.
- **Satellite Catalog Number (SCN):** 19728.
- **COSPAR ID:** 1988-114A.
- **Instance of:** Progress 7K-TG.
- **Entity Identifiers:** Google Knowledge Graph ID /g/11dyj83nk and Wolfram Language code Entity["Satellite", "19728"].

## FAQs
### Q: What was the primary purpose of Progress 39?
A: Progress 39 was a Soviet uncrewed cargo spacecraft. Its primary role was to serve as a resupply vehicle for orbital missions, transporting necessary materials and equipment.

### Q: When and where was Progress 39 launched?
A: The spacecraft was launched on December 25, 1988. The launch took place from Gagarin's Start using a Soyuz-U2 carrier rocket.

### Q: What class of spacecraft does Progress 39 belong to?
A: Progress 39 is classified as a Progress 7K-TG spacecraft. This class consists of Soviet uncrewed vehicles specifically designed for cargo transport.

## Why It Matters
Progress 39 represents a specific mission within the Soviet Union's established Progress program, which focused on the logistical support of orbital assets. By utilizing the Progress 7K-TG spacecraft design and the Soyuz-U2 carrier rocket, the mission demonstrated the technical standards of Soviet space logistics in the late 1980s. Its successful deployment from Gagarin's Start contributed to the operational history of uncrewed resupply missions, which are essential for maintaining long-term human presence and scientific research in space. The mission is documented in international databases under COSPAR ID 1988-114A and SCN 19728, serving as a verifiable record in the timeline of space exploration.

## Notable For
- **Spacecraft Class:** It was an instance of the Progress 7K-TG, a dedicated Soviet uncrewed cargo series.
- **Launch Vehicle:** The mission utilized the Soyuz-U2 carrier rocket for its orbital ascent.
- **Historic Launch Site:** It was launched from Gagarin's Start, a significant facility in the history of Soviet and Russian spaceflight.
- **International Tracking:** Identified globally by COSPAR ID 1988-114A and Satellite Catalog Number 19728.

## Body

### Mission Identification
Progress 39 is a Soviet uncrewed cargo spacecraft. It is cataloged under the Satellite Catalog Number (SCN) 19728 and the international COSPAR ID 1988-114A. In computational contexts, it is recognized by the Wolfram Language entity code Entity["Satellite", "19728"].

### Technical Classification
The spacecraft belongs to the Progress 7K-TG class. This category of vehicles was developed by the Soviet Union to function as uncrewed resupply ships, capable of delivering fuel, food, and scientific equipment to orbital stations.

### Launch and Deployment
Progress 39 was launched on December 25, 1988. The significant event of its rocket launch occurred at Gagarin's Start, a primary launch site for the Soviet space program. The carrier rocket used for this mission was the Soyuz-U2.

### Documentation and References
The spacecraft is documented in multiple languages, including English and Swedish Wikipedia. Its data is maintained in structured knowledge bases such as Wikidata and the Google Knowledge Graph (ID: /g/11dyj83nk).

## References

1. Jonathan's Space Report