# UFO 4

> satellite

**Wikidata**: [Q111498988](https://www.wikidata.org/wiki/Q111498988)  
**Source**: https://4ort.xyz/entity/ufo-4

## Summary
UFO 4 is an artificial satellite launched on January 29, 1995, as part of the UHF Follow-On communications satellite system. It was launched using an Atlas II launch vehicle.

## Key Facts
- **Launch Date**: January 29, 1995
- **Launch Vehicle**: Atlas II
- **COSPAR ID**: 1995-003A
- **SCN**: 23467
- **Instance Of**: Artificial Satellite
- **Alias**: USA 108
- **Part Of**: UHF Follow-On
- **Wolfram Language Entity Code**: Entity["Satellite", "23467"]

## FAQs
### Q: What is UFO 4?
A: UFO 4 is an artificial satellite designed for military communications, specifically as part of the UHF Follow-On system used primarily for naval communications.

### Q: When and how was UFO 4 launched?
A: UFO 4 was launched on January 29, 1995, using an Atlas II expendable launch vehicle.

### Q: What system does UFO 4 belong to?
A: UFO 4 is part of the UHF Follow-On system, a constellation of military communications satellites.

### Q: What is UFO 4's other known name?
A: UFO 4 is also known by its alias, USA 108.

## Why It Matters
UFO 4 represents a significant component of the U.S. military's space-based communications infrastructure. As part of the UHF Follow-On constellation, it enabled reliable, secure, and jam-resistant UHF communications for naval forces, including ships, submarines, and aircraft over vast ocean areas. This capability was crucial for command and control, intelligence dissemination, and coordination during military operations. Its launch on January 29, 1995, continued the development of this vital communication system, enhancing the military's ability to operate effectively in complex environments and ensuring connectivity beyond line-of-sight limitations. UFO 4's design and operational focus underscore the critical role of dedicated military communications satellites in modern defense strategy.

## Notable For
- Being a key satellite in the UHF Follow-On system, specifically designated for U.S. military UHF communications.
- Launch on January 29, 1995, using an Atlas II launch vehicle.
- Having the identifier USA 108 as an alias.
- Being assigned the COSPAR ID 1995-003A and SCN 23467.

## Body
### Identity
- **Entity Name**: UFO 4
- **Aliases**: USA 108
- **Instance Of**: Artificial Satellite
- **Part Of**: UHF Follow-On
- **COSPAR ID**: 1995-003A
- **SCN**: 23467 (Reference: P248: Q6272367)
- **Wolfram Language Entity Code**: Entity["Satellite", "23467"]

### Launch Information
- **Launch Date**: January 29, 1995 (Reference: P248: Q6272367)
- **Launch Vehicle**: Atlas II (Reference: P248: Q6272367)
- **Launch System**: Atlas II (class: Atlas II)

## References

1. Jonathan's Space Report