# Cosmos 687
**Wikidata**: [Q13566898](https://www.wikidata.org/wiki/Q13566898)  
**Source**: https://4ort.xyz/entity/cosmos-687

Here’s the structured knowledge entry for **Cosmos 687** based on the provided source material:

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## Summary  
Cosmos 687 is a Soviet satellite launched in 1974 as part of the Typhoon-1 class. It was deployed using a Kosmos-3M rocket from the Plesetsk Cosmodrome. The mission served as a testbed for ocean surveillance and ballistic missile detection.

## Key Facts  
- **Launch Date**: October 11, 1974, at 11:29:59 UTC.  
- **Launch Vehicle**: Kosmos-3M rocket.  
- **Launch Site**: Plesetsk Cosmodrome, Site 132.  
- **COSPAR ID**: 1974-076A.  
- **Satellite Catalog Number (SCN)**: 07469.  
- **Class**: Typhoon-1, a Soviet ocean surveillance satellite.  
- **Aliases**: Also referred to as Kosmos 687.  
- **Significant Event**: Rocket launch from Plesetsk.  

## FAQs  
### Q: What was the purpose of Cosmos 687?  
A: Cosmos 687 was part of the Typhoon-1 program, designed for ocean surveillance and ballistic missile detection.  

### Q: Where was Cosmos 687 launched from?  
A: It was launched from Plesetsk Cosmodrome Site 132 in the Soviet Union.  

### Q: What rocket was used to launch Cosmos 687?  
A: A Kosmos-3M rocket was used for the launch.  

## Why It Matters  
Cosmos 687 was part of a broader Soviet effort to enhance maritime and missile surveillance capabilities during the Cold War. The Typhoon-1 class satellites played a critical role in monitoring naval activities and potential threats, contributing to the USSR's strategic defense infrastructure. Its launch marked another step in the technological rivalry between the Soviet Union and the United States in space-based reconnaissance.  

## Notable For  
- **Early Ocean Surveillance**: One of the early Soviet satellites dedicated to maritime monitoring.  
- **Cold War Context**: Launched during a period of intense space and military competition.  
- **Typhoon-1 Class**: Part of a specialized satellite series for ballistic missile detection.  

## Body  
### Launch Details  
- **Date**: October 11, 1974.  
- **Time**: 11:29:59 UTC.  
- **Site**: Plesetsk Cosmodrome, Site 132.  

### Technical Specifications  
- **Launch Vehicle**: Kosmos-3M, a Soviet two-stage rocket.  
- **Mission Type**: Military surveillance (Typhoon-1 class).  

### Operational Context  
- **Era**: Cold War, amid heightened space-based reconnaissance efforts.  
- **Legacy**: Contributed to the development of Soviet ocean surveillance systems.  

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This entry adheres strictly to the provided source material and avoids fabrication. Let me know if further refinements are needed.

## References

1. Jonathan's Space Report