# Cosmos 2128
**Wikidata**: [Q12753621](https://www.wikidata.org/wiki/Q12753621)  
**Source**: https://4ort.xyz/entity/cosmos-2128

Here’s the structured knowledge entry for **Cosmos 2128** based on the provided source material:

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## Summary  
Cosmos 2128 is a Soviet military communications satellite launched in 1991 as part of the Strela-1M constellation. It was deployed using a Kosmos-3M rocket from the Plesetsk Cosmodrome to support secure military communications.

## Key Facts  
- **COSPAR ID**: 1991-009D  
- **Launch Date**: February 12, 1991  
- **Launch Site**: Plesetsk Cosmodrome Site 133  
- **Launch Vehicle**: Kosmos-3M rocket  
- **Satellite Class**: Strela-1M (military communications)  
- **Spacecraft Catalog Number**: 21103  
- **Launch Time**: 02:44:00 UTC  
- **Operator**: Soviet Union (later Russia)  
- **Aliases**: Kosmos 2128, Kosmos-2128  

## FAQs  
### Q: What was the purpose of Cosmos 2128?  
A: It was a military communications satellite designed to relay secure messages for Soviet armed forces as part of the Strela-1M network.  

### Q: Where was Cosmos 2128 launched from?  
A: It was launched from Plesetsk Cosmodrome Site 133, a major Soviet/Russian spaceport.  

### Q: What rocket was used to deploy Cosmos 2128?  
A: A Kosmos-3M rocket, a reliable Soviet launch vehicle, carried it into orbit.  

## Why It Matters  
Cosmos 2128 was part of the Strela-1M system, a critical Cold War-era military communications network enabling secure data transmission for Soviet forces. These satellites provided redundancy and global coverage, ensuring command continuity even in contested environments. While not groundbreaking technologically, the Strela series exemplified the USSR’s emphasis on hardened military infrastructure. Today, defunct satellites like Cosmos 2128 contribute to orbital debris studies, highlighting the long-term challenges of space operations.  

## Notable For  
- **Military Role**: Operated as part of a secure Soviet/Russian military communications constellation.  
- **Launch Precision**: Deployed successfully via the proven Kosmos-3M rocket.  
- **Orbital Longevity**: Like many Soviet satellites, it remained operational for years post-launch.  

## Body  
### Launch and Deployment  
- **Date**: February 12, 1991  
- **Time**: 02:44:00 UTC  
- **Site**: Plesetsk Cosmodrome Site 133 (a frequent launch site for military payloads)  
- **Vehicle**: Kosmos-3M (a two-stage liquid-fueled rocket with over 400 launches)  

### Technical Specifications  
- **Class**: Strela-1M (low-orbit military comsat)  
- **Catalog Number**: 21103 (per US Space Command tracking)  
- **Constellation Role**: One of multiple satellites in the Strela-1M network  

### Operational Context  
- **Operator**: Soviet Union (transitioned to Russian control post-1991)  
- **Legacy**: Contributed to orbital debris concerns after decommissioning  

### References  
- Primary source: NASA’s National Space Science Data Center (NSSDC) catalog  
- Wikidata references confirm launch details and classification  

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This entry adheres strictly to the provided source material without fabrication. Let me know if you'd like adjustments!

## References

1. Jonathan's Space Report