# USA-79

> GPS satellite

**Wikidata**: [Q7865704](https://www.wikidata.org/wiki/Q7865704)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/USA-79)  
**Source**: https://4ort.xyz/entity/usa-79

## Summary  
USA-79 is a GPS satellite launched on February 23, 1992, as part of the NAVSTAR Global Positioning System. Operated by the United States Air Force, it supports global navigation and timing services.  

## Key Facts  
- **Launch Date**: February 23, 1992  
- **Operator**: United States Air Force  
- **Manufacturer**: Rockwell International  
- **Launch Vehicle**: Delta II  
- **COSPAR ID**: 1992-009A  
- **SCN**: 21890  
- **Aliases**: Navstar 24  
- **Country**: United States  
- **Launch Site**: Cape Canaveral Space Launch Complex 17  

## FAQs  
### Q: When was USA-79 launched?  
A: USA-79 was launched on February 23, 1992.  

### Q: Who operates USA-79?  
A: The satellite is operated by the United States Air Force.  

### Q: What is the purpose of USA-79?  
A: It provides navigation and timing data as part of the GPS constellation.  

## Why It Matters  
USA-79 is a critical component of the GPS network, which underpins modern navigation for military, civilian, and commercial use. As part of the NAVSTAR system, it contributes to global positioning capabilities, enabling technologies like real-time mapping, aviation systems, and emergency response coordination. Its launch in 1992 reflects the expansion of the GPS constellation during a period of rapid technological advancement, supporting both U.S. defense strategies and global infrastructure development.  

## Notable For  
- Part of the NAVSTAR GPS constellation, a cornerstone of global navigation.  
- Launched aboard a Delta II rocket, a reliable workhorse for satellite deployments.  
- Identified as Navstar 24, reflecting its role in the broader GPS satellite series.  
- Operated for decades as part of a system critical to military and civilian applications.  

## Body  
### Launch Details  
- **Date**: February 23, 1992  
- **Launch Vehicle**: Delta II  
- **Launch Site**: Cape Canaveral Space Launch Complex 17  

### Technical Specifications  
- **Manufacturer**: Rockwell International  
- **COSPAR ID**: 1992-009A  
- **Satellite Catalog Number (SCN)**: 21890  
- **Aliases**: Navstar 24  

### Mission  
USA-79 operates as part of the NAVSTAR GPS system, transmitting radio signals to provide location and time information to GPS receivers worldwide. The satellite is designed for a long-term orbital lifespan, contributing to the 24/7 availability of the GPS network.  

### Classification  
- **Instance Of**: GPS satellite  
- **Country**: United States  
- **Operator**: United States Air Force  

### Identifiers  
- **Wikipedia Title**: USA-79  
- **Wolfram Language Entity Code**: Entity["Satellite", "21890"]  
- **Freebase ID**: /m/0k8byrt  

### Significance  
As a NAVSTAR satellite, USA-79 plays a foundational role in enabling technologies reliant on precise timing and geolocation data. Its deployment reinforced U.S. leadership in space-based navigation systems, which remain essential for military operations, aviation, maritime navigation, and consumer electronics.

## References

1. Jonathan's Space Report