# Cosmos 733
**Wikidata**: [Q13566904](https://www.wikidata.org/wiki/Q13566904)  
**Source**: https://4ort.xyz/entity/cosmos-733

## Summary
Cosmos 733 is a Soviet military communications satellite launched in 1975 as part of the Strela-1M constellation. It was deployed using a Kosmos-3M rocket from the Plesetsk Cosmodrome to support secure military communications.

## Key Facts
- **Launch Date:** May 28, 1975 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **COSPAR ID:** 1975-045B ([reference](https://www.wikidata.org/wiki/Q200386))  
- **Satellite Class:** Strela-1M ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Vehicle:** Kosmos-3M rocket ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Launch Site:** Plesetsk Cosmodrome Site 132 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Spacecraft Catalog Number:** 07822 ([reference](https://www.wikidata.org/wiki/Q6272367))  
- **Significant Event:** Rocket launch at 00:25:01 UTC ([reference](https://www.wikidata.org/wiki/Q6272367))  

## FAQs
### Q: What was the purpose of Cosmos 733?
A: Cosmos 733 was a military communications satellite designed to facilitate secure Soviet military communications as part of the Strela-1M network.

### Q: Where was Cosmos 733 launched from?
A: It was launched from Plesetsk Cosmodrome Site 132 in the Soviet Union.

### Q: What rocket was used to deploy Cosmos 733?
A: A Kosmos-3M rocket carried Cosmos 733 into orbit.

## Why It Matters
Cosmos 733 played a crucial role in the Soviet Union's military communications infrastructure during the Cold War. As part of the Strela-1M constellation, it enabled encrypted transmissions for military operations, ensuring secure command and control capabilities. Its deployment reflected the strategic importance of space-based communications in maintaining national security. While now obsolete, satellites like Cosmos 733 laid the groundwork for modern military and civilian satellite networks.

## Notable For
- One of multiple Strela-1M satellites launched in the mid-1970s.  
- Deployed via the widely used Kosmos-3M rocket.  
- Contributed to Soviet military communications during heightened Cold War tensions.  

## Body
### Launch Details
- **Exact Launch Time:** May 28, 1975, at 00:25:01 UTC ([reference](https://www.wikidata.org/wiki/Q6272367)).  
- **Site:** Plesetsk Cosmodrome Site 132, a key Soviet launch facility ([reference](https://www.wikidata.org/wiki/Q6272367)).  

### Technical Specifications
- **Satellite Model:** Strela-1M, a low-orbit military communications satellite.  
- **Catalog Number:** 07822 ([reference](https://www.wikidata.org/wiki/Q6272367)).  

### Mission Context
- Part of a broader Soviet effort to enhance secure military communications.  
- Operated alongside other Strela-1M satellites in a constellation format.

## References

1. Jonathan's Space Report