# Cosmos 1670
**Wikidata**: [Q13217349](https://www.wikidata.org/wiki/Q13217349)  
**Source**: https://4ort.xyz/entity/cosmos-1670

## Summary
Cosmos 1670 was a Soviet nuclear-powered surveillance satellite, part of the US-A series. It was launched on August 1, 1985, aboard a Tsyklon-2 rocket from the Baikonur Cosmodrome. The satellite was designed for maritime reconnaissance and operated under the Kosmos designation.

## Key Facts
- **Launch Date:** August 1, 1985  
- **COSPAR ID:** 1985-064A  
- **Launch Vehicle:** Tsyklon-2  
- **Launch Site:** Baikonur Cosmodrome Site 90  
- **Satellite Class:** US-A (Soviet nuclear-powered surveillance satellite series)  
- **Alternative Name:** Kosmos 1670  
- **Significant Event:** Rocket launch at 05:36:00 UTC from Baikonur  
- **Satellite Catalog Number:** 15930  

## FAQs
### Q: What was the purpose of Cosmos 1670?  
A: Cosmos 1670 was a nuclear-powered surveillance satellite designed for maritime reconnaissance, part of the Soviet US-A series.  

### Q: When and where was Cosmos 1670 launched?  
A: It was launched on August 1, 1985, from Baikonur Cosmodrome Site 90 aboard a Tsyklon-2 rocket.  

### Q: What was the launch vehicle for Cosmos 1670?  
A: The satellite was launched using a Tsyklon-2, a Soviet/Ukrainian expendable launch vehicle.  

## Why It Matters  
Cosmos 1670 was part of the Soviet Union's US-A series, a critical component of Cold War-era space-based surveillance. These satellites provided maritime reconnaissance capabilities, tracking naval movements for strategic advantage. The use of nuclear power allowed for extended operational lifespans, though it also raised environmental concerns due to the risk of radioactive contamination in case of re-entry failures. The program demonstrated the USSR's technological prowess in space-based intelligence gathering and contributed to the broader arms race dynamics of the period.  

## Notable For  
- **Nuclear-Powered:** One of the few surveillance satellites to use nuclear power for extended missions.  
- **Cold War Significance:** Played a role in Soviet maritime reconnaissance during heightened Cold War tensions.  
- **US-A Series:** Part of a classified Soviet satellite program focused on ocean surveillance.  

## Body  
### Launch Details  
- **Date:** August 1, 1985  
- **Time:** 05:36:00 UTC  
- **Site:** Baikonur Cosmodrome Site 90  
- **Vehicle:** Tsyklon-2  

### Satellite Specifications  
- **Class:** US-A (Soviet nuclear-powered surveillance satellite)  
- **Catalog Number:** 15930  
- **Alternative Designation:** Kosmos 1670  

### Operational Context  
- **Mission:** Maritime reconnaissance and surveillance  
- **Program:** Part of the Soviet US-A series, which included multiple nuclear-powered satellites.

## References

1. Jonathan's Space Report