# Cosmos 436
**Wikidata**: [Q12753848](https://www.wikidata.org/wiki/Q12753848)  
**Source**: https://4ort.xyz/entity/cosmos-436

## Summary  
Cosmos 436 was a Soviet signals intelligence satellite launched in 1971 as part of the Tselina-OM class, designed to intercept and analyze electronic transmissions. It was deployed using a Kosmos-3M rocket from the Plesetsk Cosmodrome, contributing to the Soviet Union's Cold War-era surveillance capabilities.  

## Key Facts  
- **COSPAR ID**: 1971-074A  
- **Satellite Catalog Number (SCN)**: 05461  
- **Launch Date**: September 7, 1971  
- **Launch Vehicle**: Kosmos-3M rocket  
- **Launch Site**: Plesetsk Cosmodrome Site 132  
- **Class**: Tselina-OM signals intelligence satellite  
- **Mission Type**: Electronic surveillance and signals interception  

## FAQs  
### Q: When was Cosmos 436 launched?  
A: Cosmos 436 was launched on September 7, 1971, at 01:15:01 UTC from the Plesetsk Cosmodrome.  

### Q: What was the purpose of Cosmos 436?  
A: It was designed to conduct signals intelligence (SIGINT) operations, intercepting and analyzing electronic communications as part of the Soviet Tselina-OM satellite network.  

### Q: What rocket was used to launch Cosmos 436?  
A: The satellite was deployed using a Kosmos-3M launch vehicle, a Soviet/Russian rocket commonly used for small satellite launches.  

## Why It Matters  
Cosmos 436 played a role in the Soviet Union’s strategic surveillance efforts during the Cold War. As part of the Tselina-OM class, it enhanced the USSR’s ability to monitor electronic signals globally, providing critical intelligence for military and geopolitical purposes. These satellites were pivotal in maintaining parity with Western surveillance technologies, underscoring their importance in the broader context of Cold War espionage and deterrence.  

## Notable For  
- **Tselina-OM Class Membership**: Part of a specialized series of Soviet/Russian signals intelligence satellites.  
- **Kosmos-3M Launch Vehicle**: Utilized a reliable and widely used rocket for small payload deployments.  
- **Cold War Surveillance Role**: Contributed to the Soviet Union’s electronic intelligence-gathering network.  

## Body  
### Launch Details  
- **Date/Time**: September 7, 1971, at 01:15:01 UTC.  
- **Site**: Plesetsk Cosmodrome Site 132, a key Soviet launch facility.  
- **Vehicle**: Kosmos-3M (a derivative of the R-14 Chusovaya missile).  

### Satellite Specifications  
- **Class**: Tselina-OM, designed for signals intelligence (SIGINT) operations.  
- **Identifiers**:  
  - **COSPAR ID**: 1971-074A  
  - **SCN**: 05461  

### Mission Context  
- **Purpose**: Intercept and analyze radio frequency signals (e.g., radar, communications) to support military intelligence.  
- **Historical Significance**: Operated during a period of heightened Cold War tensions, reflecting the Soviet Union’s investment in space-based reconnaissance.  

### Additional Notes  
- **Sitelinks**: Documented in Hungarian, Macedonian, Serbian, and Serbo-Croatian Wikipedia entries.  
- **Legacy**: Part of a broader network of Tselina satellites that evolved through multiple generations (e.g., Tselina-D, Tselina-2).

## References

1. Jonathan's Space Report