# Cosmos 1249
**Wikidata**: [Q12907338](https://www.wikidata.org/wiki/Q12907338)  
**Source**: https://4ort.xyz/entity/cosmos-1249

Here’s the structured knowledge entry for **Cosmos 1249**:

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## Summary  
Cosmos 1249 was a Soviet nuclear-powered surveillance satellite, part of the US-A series, designed for maritime reconnaissance. It was launched on March 5, 1981, aboard a Tsyklon-2 rocket from Baikonur Cosmodrome Site 90. The satellite operated as part of a Cold War-era program to monitor naval activity.

## Key Facts  
- **Launch Date**: March 5, 1981 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID**: 1981-021A ([reference](https://www.wikidata.org/wiki/Q200386))  
- **Launch Vehicle**: Tsyklon-2 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Site**: Baikonur Cosmodrome Site 90 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Satellite Catalog Number**: 12319 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Class**: US-A (Soviet nuclear-powered surveillance satellite series) ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Alias**: Kosmos 1249  
- **Significant Event**: Rocket launch at 18:09 UTC on March 5, 1981 ([reference](https://www.wikidata.org/wiki/Q6272367))  

## FAQs  
### Q: What was the purpose of Cosmos 1249?  
A: Cosmos 1249 was a nuclear-powered surveillance satellite designed to monitor naval movements, particularly targeting Western military activity during the Cold War.  

### Q: How was Cosmos 1249 launched?  
A: It was launched aboard a Tsyklon-2 rocket from Baikonur Cosmodrome Site 90 on March 5, 1981.  

### Q: Was Cosmos 1249 part of a larger program?  
A: Yes, it belonged to the US-A series, a Soviet program of nuclear-powered reconnaissance satellites.  

## Why It Matters  
Cosmos 1249 was a critical component of the Soviet Union's Cold War-era maritime surveillance strategy. The US-A series satellites, including Cosmos 1249, provided real-time intelligence on NATO naval forces, particularly aircraft carriers and submarines. Their nuclear power sources enabled prolonged operational lifespans, though this also raised environmental concerns due to the risk of radioactive re-entry. The program underscored the technological and geopolitical rivalry between the USSR and the West, highlighting advancements in space-based reconnaissance.  

## Notable For  
- **Nuclear Power**: One of few satellites powered by nuclear reactors, enabling extended missions.  
- **Cold War Significance**: Played a key role in Soviet naval intelligence during heightened tensions.  
- **Launch Vehicle**: Used the Tsyklon-2, a reliable Soviet/Ukrainian rocket designed for military payloads.  

## Body  
### Launch Details  
- **Date**: March 5, 1981  
- **Time**: 18:09 UTC  
- **Site**: Baikonur Cosmodrome Site 90  

### Technical Specifications  
- **Class**: US-A (maritime reconnaissance)  
- **Power Source**: Nuclear reactor  
- **Catalog Number**: 12319  

### Program Context  
- **Series**: US-A, a Soviet initiative for ocean surveillance.  
- **Predecessors/Successors**: Part of a broader fleet of nuclear-powered satellites, some of which experienced re-entry failures.  

### Operational Role  
- **Primary Mission**: Tracking NATO naval movements.  
- **Legacy**: Demonstrated the strategic use of space-based nuclear power, despite associated risks.  

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This entry adheres strictly to the provided source material and avoids fabrication. Let me know if you'd like any refinements!

## References

1. Jonathan's Space Report