# Cosmos 1876
**Wikidata**: [Q12753496](https://www.wikidata.org/wiki/Q12753496)  
**Source**: https://4ort.xyz/entity/cosmos-1876

## Summary
Cosmos 1876 is a Soviet-era Strela-3 military communications satellite launched in 1987 to support secure communications for Ukrainian and Soviet forces. It was deployed via a Tsyklon-3 rocket from Plesetsk Cosmodrome, part of a network of satellites designed for strategic military communications.

## Key Facts
- **Launch Date**: September 7, 1987, at 23:50:09 UTC.
- **COSPAR ID**: 1987-074B.
- **Satellite Catalog Number (SCN)**: 18335.
- **Class**: Strela-3 military communications satellite.
- **Launch Vehicle**: Tsyklon-3 expendable rocket.
- **Launch Site**: Plesetsk Cosmodrome Site 32.
- **Wikipedia Coverage**: Available in Macedonian, Serbo-Croatian, and Serbian languages.

## FAQs
### Q: What was the purpose of Cosmos 1876?
A: Cosmos 1876 was a military communications satellite designed to provide secure communication services for Soviet and Ukrainian military operations as part of the Strela-3 constellation.

### Q: When and where was Cosmos 1876 launched?
A: It was launched on September 7, 1987, at 23:50:09 UTC from Plesetsk Cosmodrome Site 32 in Russia.

### Q: What rocket was used to deploy Cosmos 1876?
A: The satellite was launched using a Tsyklon-3 rocket, a Soviet/Ukrainian expendable launch vehicle.

## Why It Matters
Cosmos 1876 represents a critical component of the Soviet and later Ukrainian military communications infrastructure. As part of the Strela-3 satellite series, it contributed to secure and reliable communication networks essential for strategic military operations. Its launch on a Tsyklon-3 rocket underscores the technological capabilities of the Soviet space program during the Cold War era. While individual Strela-3 satellites like Cosmos 1876 may not be widely recognized, their collective role in maintaining military readiness and coordination highlights their historical significance in the evolution of satellite-based communications.

## Notable For
- **Military Role**: Part of the Strela-3 constellation, supporting encrypted military communications.
- **Launch Vehicle**: Deployed via the Tsyklon-3 rocket, a workhorse of Soviet/Ukrainian space launches.
- **Historical Context**: Launched during the Cold War, reflecting the strategic importance of satellite technology for military operations.

## Body
### Launch Details
- **Date/Time**: September 7, 1987, at 23:50:09 UTC.
- **Site**: Plesetsk Cosmodrome Site 32, a facility in northwestern Russia used for numerous military and civilian launches.
- **Rocket**: Tsyklon-3 (Cyclone-3), a liquid-fueled launch vehicle developed by the Soviet Union and later operated by Ukraine.

### Satellite Specifications
- **Class**: Strela-3, a series of military communications satellites developed for the Soviet Armed Forces.
- **Identifiers**:
  - **SCN**: 18335 (Satellite Catalog Number).
  - **COSPAR ID**: 1987-074B.
- **Purpose**: Secure voice and data communications for military units, leveraging satellite relays to ensure connectivity across vast geographic areas.

### Mission Context
- **Constellation**: Operated as part of a network of Strela-3 satellites, ensuring continuous coverage and redundancy for critical communications.
- **Legacy**: The Strela-3 series, including Cosmos 1876, played a foundational role in Soviet and post-Soviet military communications, preceding modern systems like the Russian Strela-3M and Pion-NKS satellites.

## References

1. Jonathan's Space Report