# Cosmos 2158
**Wikidata**: [Q12753635](https://www.wikidata.org/wiki/Q12753635)  
**Source**: https://4ort.xyz/entity/cosmos-2158

## Summary
Cosmos 2158 was a Strela-3 military communications satellite launched on September 28, 1991, from the Plesetsk Cosmodrome using a Tsyklon-3 rocket. It is part of a series of Ukrainian military satellites designed for secure communications.

## Key Facts
- **Type**: Strela-3 military communications satellite
- **Launch Date**: September 28, 1991
- **Launch Vehicle**: Tsyklon-3
- **Launch Site**: Plesetsk Cosmodrome Site 32
- **Launch Time**: 07:05:55 UTC
- **COSPAR ID**: 1991-068B
- **SCN (NORAD Catalog Number)**: 21729
- **Wikipedia Availability**: Available in Croatian, Macedonian, Serbian (Cyrillic), and Serbo-Croatian

## FAQs
### Q: What was Cosmos 2158?
A: Cosmos 2158 was a Strela-3 military communications satellite launched by the Soviet Union (later Ukraine) in 1991. It was part of a series of satellites designed for secure military communications.

### Q: When and where was Cosmos 2158 launched?
A: Cosmos 2158 was launched on September 28, 1991, from Plesetsk Cosmodrome Site 32 in Russia using a Tsyklon-3 rocket.

### Q: What type of satellite was Cosmos 2158?
A: Cosmos 2158 was a Strela-3 satellite, a Ukrainian military communications satellite used for secure communications.

### Q: What was the launch vehicle for Cosmos 2158?
A: The launch vehicle for Cosmos 2158 was the Tsyklon-3, a Soviet/Ukrainian expendable launch vehicle.

### Q: Is there a Wikipedia page for Cosmos 2158?
A: Yes, there are Wikipedia pages for Cosmos 2158 in Croatian, Macedonian, Serbian (Cyrillic), and Serbo-Croatian.

## Why It Matters
Cosmos 2158 was part of the Strela-3 satellite series, which played a crucial role in the Soviet Union's (and later Ukraine's) military communications infrastructure. These satellites were designed to provide secure, encrypted communications for strategic purposes. The Strela-3 system was developed to enhance the Soviet military's ability to maintain secure and reliable communication links, even in the face of potential electronic warfare. The launch of Cosmos 2158, along with other satellites in the series, contributed to the Soviet Union's military capabilities during the Cold War. After the dissolution of the Soviet Union, Ukraine inherited the Strela-3 program, continuing its development and deployment. The Strela-3 satellites were notable for their use of advanced encryption and anti-jamming technologies, ensuring that military communications remained secure and operational. Their role in military operations underscores the importance of secure satellite communications in modern defense strategies.

## Notable For
- **Military Communications**: Part of the Strela-3 series, designed for secure military communications.
- **Tsyklon-3 Launch**: One of the first launches of the Tsyklon-3 rocket, demonstrating its reliability.
- **Cold War Era**: Operated during the peak of the Cold War, supporting Soviet military operations.
- **Ukrainian Heritage**: Continued development after the Soviet Union's dissolution, maintaining Ukraine's military communications capabilities.
- **Secure Encryption**: Used advanced encryption and anti-jamming technologies to ensure secure communications.

## Body
### Overview
Cosmos 2158 was a Strela-3 military communications satellite launched on September 28, 1991, from Plesetsk Cosmodrome Site 32 using a Tsyklon-3 rocket. It was part of a series of satellites designed to provide secure communications for the Soviet military.

### Launch Details
- **Date**: September 28, 1991
- **Time**: 07:05:55 UTC
- **Launch Vehicle**: Tsyklon-3
- **Launch Site**: Plesetsk Cosmodrome Site 32
- **COSPAR ID**: 1991-068B
- **SCN (NORAD Catalog Number)**: 21729

### Satellite Type
- **Classification**: Strela-3
- **Purpose**: Military communications
- **Operator**: Soviet Union (later Ukraine)

### Historical Context
- **Cold War Era**: Operated during the peak of the Cold War, supporting Soviet military operations.
- **Post-Soviet Era**: Continued development under Ukraine after the Soviet Union's dissolution.

### Technical Specifications
- **Encryption**: Advanced encryption and anti-jamming technologies.
- **Communications**: Secure military communications links.

### Wikipedia Availability
- **Languages**: Croatian (hr), Macedonian (mk), Serbian (Cyrillic) (sr), Serbo-Croatian (sh).

### References
- **Source**: Q6272367 (Wikidata reference)
- **COSPAR ID Source**: Q200386 (Wikidata reference)

## References

1. Jonathan's Space Report