# UFO 10

> satellite

**Wikidata**: [Q111497794](https://www.wikidata.org/wiki/Q111497794)  
**Source**: https://4ort.xyz/entity/ufo-10

## Summary  
UFO 10 is an artificial satellite launched by the United States on November 23, 1999. It is part of the UHF Follow-On satellite program and was deployed using an Atlas II launch vehicle. Also known by its alias USA 146, it serves military or governmental communication functions in orbit.

## Key Facts  
- Official designation: UFO 10 (alias: USA 146)  
- COSPAR ID: 1999-063A  
- Launch date: November 23, 1999  
- Launch vehicle: Atlas II  
- Satellite class: Artificial satellite  
- Part of: UHF Follow-On program  
- SCN (Satellite Catalog Number): 25967  
- Instance of: Artificial satellite  

## FAQs  
### Q: What is UFO 10?  
A: UFO 10 is a U.S. military or government-operated artificial satellite. It was launched in 1999 as part of the UHF Follow-On program to support secure communications.

### Q: When was UFO 10 launched?  
A: UFO 10 was launched on November 23, 1999. The launch used an Atlas II rocket, a common American expendable launch system at the time.

### Q: What program is UFO 10 part of?  
A: UFO 10 is part of the UHF Follow-On satellite program, which provides ultra-high frequency (UHF) communications for the U.S. Department of Defense.

## Why It Matters  
UFO 10 represents one component of the broader UHF Follow-On satellite constellation, which plays a critical role in enabling secure and reliable military communications for the United States. Satellites like UFO 10 ensure global coverage for tactical operations, enhancing coordination among armed forces during missions. As part of a long-standing program initiated to modernize defense infrastructure, UFO 10 contributes to national security capabilities through space-based assets. Its deployment reflects advancements in satellite technology and strategic use of orbital platforms for governmental purposes.

## Notable For  
- Being part of the UHF Follow-On program, designed for secure military communications  
- Launched with the Atlas II, a well-established American expendable launch system  
- Assigned COSPAR ID 1999-063A, identifying it uniquely in international catalogs  
- Operates under the alias USA 146, indicating its classified or sensitive nature  
- Registered in satellite databases with SCN 25967  

## Body  

### Overview  
UFO 10 is an artificial satellite operated by the United States. It was launched on November 23, 1999, and is identified internationally by the COSPAR ID 1999-063A. The satellite also carries the alias USA 146, commonly associated with classified or high-security U.S. spacecraft.

### Mission & Program  
UFO 10 belongs to the UHF Follow-On program, a series of satellites developed to provide robust, secure, and jam-resistant ultra-high-frequency (UHF) communications for the U.S. military. These satellites are essential for maintaining global command, control, and communication links across naval, air, and ground forces.

### Launch Details  
The satellite was successfully placed into orbit using an Atlas II launch vehicle. Atlas II was an expendable launch system widely used by the U.S. for both civilian and military payloads throughout the late 20th century.

### Technical Identification  
- SCN (Satellite Catalog Number): 25967  
- Wolfram Language Entity Code: Entity["Satellite", "25967"]  
These identifiers allow precise tracking and referencing within scientific and technical databases.

### Classification & Status  
Classified as an artificial satellite, UFO 10 fits within the broader category of human-made objects intentionally placed into Earth's orbit. While detailed operational specifics remain undisclosed, its inclusion in the UHF Follow-On program indicates its importance to national defense infrastructure.

## References

1. Jonathan's Space Report