# Kosmos 775

> Russian military early warning satellite

**Wikidata**: [Q3400897](https://www.wikidata.org/wiki/Q3400897)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Kosmos_775)  
**Source**: https://4ort.xyz/entity/kosmos-775

## Summary
Kosmos 775 is a Russian military early warning satellite launched on October 8, 1975, as part of the US-KS series. It was operated by the Russian Space Forces and manufactured by NPO Lavochkin, using a Proton-K rocket for launch.

## Key Facts
- **Class**: US-KS (Russian/Soviet early warning satellite)
- **Operator**: Russian Space Forces
- **Launch Date**: October 8, 1975
- **Launch Vehicle**: Proton-K
- **Launch Site**: Baikonur Cosmodrome Site 81/23
- **Manufacturer**: NPO Lavochkin
- **Space Tug**: Blok-DM
- **COSPAR ID**: 1975-097A
- **Wikidata ID**: Q8357

## FAQs
### Q: What was Kosmos 775's primary purpose?
A: Kosmos 775 was a military early warning satellite designed to detect and track missile launches, part of the US-KS series.

### Q: Which rocket launched Kosmos 775?
A: The satellite was launched using a Proton-K rocket from Baikonur Cosmodrome Site 81/23 on October 8, 1975.

### Q: Who operated Kosmos 775?
A: The satellite was operated by the Russian Space Forces.

### Q: What was the significance of the Blok-DM in Kosmos 775's launch?
A: The Blok-DM served as the space tug for Kosmos 775, assisting in its orbital insertion.

### Q: How is Kosmos 775 classified in the US-KS series?
A: Kosmos 775 is an instance of the US-KS class of early warning satellites.

## Why It Matters
Kosmos 775 played a critical role in Russia's early warning satellite network, contributing to missile detection and tracking capabilities. As part of the US-KS series, it was designed to enhance the Soviet Union's (later Russia's) ability to monitor potential missile threats. The satellite's launch and operation were part of a broader effort to maintain a robust space-based surveillance system. Its inclusion in the US-KS class highlights its role in a long-standing program that has evolved alongside advancements in space technology and military strategy.

## Notable For
- **Military Early Warning**: One of the US-KS series satellites, providing missile detection and tracking.
- **Proton-K Launch**: Successfully launched aboard a Proton-K rocket, demonstrating its reliability for military payloads.
- **Russian Space Forces Operation**: Operated by the Russian Space Forces, reflecting its military significance.
- **Blok-DM Space Tug**: Utilized the Blok-DM as a space tug, aiding in orbital maneuvers.
- **Baikonur Launch Site**: Launched from Baikonur Cosmodrome Site 81/23, a key facility for Soviet/Russian space missions.

## Body
### Classification and Series
Kosmos 775 is classified as a US-KS satellite, part of a series of early warning satellites developed by the Soviet Union and later Russia. The US-KS class was designed to detect and track missile launches, providing critical data for military defense.

### Launch Details
- **Launch Date**: October 8, 1975
- **Launch Vehicle**: Proton-K
- **Launch Site**: Baikonur Cosmodrome Site 81/23
- **Space Tug**: Blok-DM

### Operational Details
- **Operator**: Russian Space Forces
- **Manufacturer**: NPO Lavochkin
- **COSPAR ID**: 1975-097A

### Significance
Kosmos 775 was part of a broader effort to maintain a robust early warning system, ensuring Russia's ability to monitor potential missile threats. Its inclusion in the US-KS series underscores its role in a long-standing program that has evolved with advancements in space technology and military strategy.

## References

1. Jonathan's Space Report