# Cosmos 737
**Wikidata**: [Q12753977](https://www.wikidata.org/wiki/Q12753977)  
**Source**: https://4ort.xyz/entity/cosmos-737

## Summary
Cosmos 737 is a Soviet satellite of the Strela-1M class, launched on May 28, 1975, from Plesetsk Cosmodrome aboard a Kosmos-3M rocket. It was part of a series of communications satellites developed during the Soviet space program with the serial catalog number 07826.

## Key Facts
- Cosmos 737 was launched on May 28, 1975
- It has the COSPAR identifier 1975-045F
- Its Serial Catalog Number (SCN) is 07826
- It belongs to the Strela-1M satellite class
- It was launched from Plesetsk Cosmodrome Site 132
- The launch vehicle was a Kosmos-3M rocket
- It has Wikipedia articles in languages including Macedonian, Serbo-Croatian, and Serbian
- It is referenced in Wolfram Language as Entity["Satellite", "07826"]

## FAQs
### Q: What type of satellite is Cosmos 737?
A: Cosmos 737 is a Strela-1M class satellite, which were Soviet communications satellites used for military communications during the Cold War period.

### Q: When and where was Cosmos 737 launched?
A: Cosmos 737 was launched on May 28, 1975, from Plesetsk Cosmodrome Site 132 at 00:25:01 local time.

### Q: What rocket was used to launch Cosmos 737?
A: Cosmos 737 was launched aboard a Kosmos-3M rocket, a Soviet-designed orbital launch vehicle that was commonly used for satellite launches during this period.

## Why It Matters
Cosmos 737 represents an important component of the Soviet space communications infrastructure during the Cold War era. As part of the Strela-1M satellite class, it contributed to the military communications network that enabled secure communications across Soviet territories and beyond. These satellites played a crucial role in national security and military operations, demonstrating the technological capabilities of the Soviet Union in space technology. The Strela-1M satellites were part of a larger constellation that provided relay communications for military and government purposes, highlighting the strategic importance of space-based communications systems during this period of geopolitical tension.

## Notable For
- Being part of the Strela-1M class of Soviet communications satellites designed for military purposes
- Launching during a critical period of Cold War space development (1975)
- Using the reliable Kosmos-3M launch vehicle, which had numerous successful launches throughout the Soviet space program
- Operating from Plesetsk Cosmodrome, the Soviet Union's northernmost and primary space launch site for military satellites

## Body
### Mission Overview
Cosmos 737 was a Soviet satellite launched as part of the Strela-1M communications satellite program. The satellite was developed to provide secure military communications for Soviet armed forces and government agencies during the Cold War era.

### Technical Specifications
- Class: Strela-1M
- COSPAR ID: 1975-045F
- SCN (Serial Catalog Number): 07826
- Launch Vehicle: Kosmos-3M
- Launch Site: Plesetsk Cosmodrome Site 132
- Launch Date: May 28, 1975
- Launch Time: 00:25:01

### Program Context
The Strela-1M satellites were part of a broader Soviet satellite communications program. These satellites were designed to operate in low Earth orbit, providing relay communications for military command and control systems. The Kosmos-3M rocket used for the launch was a proven workhorse of the Soviet space program, known for its reliability and versatility in launching various types of satellites.

### International Recognition
Cosmos 737 is recognized internationally with its COSPAR identifier 1975-045F, which follows a standardized format used globally for satellite identification. The satellite has also been documented in multiple Wikipedia languages, including Macedonian, Serbo-Croatian, and Serbian, demonstrating its significance in the historical record of Soviet space achievements.

## References

1. Jonathan's Space Report