# USA 39

> 20066

**Wikidata**: [Q111500444](https://www.wikidata.org/wiki/Q111500444)  
**Source**: https://4ort.xyz/entity/usa-39

## Summary
USA 39 is an American artificial satellite launched on June 14, 1989, as part of the U.S. military's space programs. It was deployed using a Titan IV launch vehicle and is cataloged under the COSPAR ID 1989-046A. The satellite is identified by the Satellite Catalog Number (SCN) 20066.

## Key Facts
- Official designation: USA 39 (SCN: 20066)
- Launch date: June 14, 1989
- Launch vehicle: Titan IV rocket
- COSPAR ID: 1989-046A
- NSSDCA ID: 1989-046A
- Instance of: Artificial satellite
- Operator: United States Air Force (inferred from launch vehicle context)
- Source database: Q6272367 (reference for multiple properties)

## FAQs
### Q: What is USA 39?
A: USA 39 is an artificial satellite launched by the United States in 1989. It was placed into orbit using a Titan IV rocket and is part of the U.S. military satellite program.

### Q: When was USA 39 launched?
A: USA 39 was launched on June 14, 1989. This date is verified through official satellite tracking databases.

### Q: What kind of rocket launched USA 39?
A: USA 39 was launched using a Titan IV rocket, a heavy-lift launch system developed and operated by the U.S. Air Force.

## Why It Matters
USA 39 represents one component of the broader U.S. military space infrastructure established during the late Cold War era. As part of the classified USA satellite series, it contributes to national security functions such as surveillance, communication, or intelligence gathering. Its deployment via the Titan IV rocket underscores the technological capabilities of the U.S. Air Force during a period of significant advancement in space-based defense systems. While specific mission details remain undisclosed, satellites like USA 39 play critical roles in maintaining strategic advantage and operational readiness in global military contexts.

## Notable For
- Launched aboard the powerful Titan IV rocket, a key asset of U.S. military space operations
- Assigned COSPAR ID 1989-046A, indicating its orbital registration
- Part of the secretive USA-numbered satellite series managed by the U.S. Department of Defense
- Registered with SCN 20066 in international satellite catalogs
- Represents continued expansion of U.S. military presence in space during the late 1980s

## Body
### Overview
USA 39 is a U.S. military satellite that was successfully launched on June 14, 1989. It belongs to the class of artificial satellites and was placed into Earth orbit using a Titan IV launch vehicle.

### Identification Details
- **Satellite Catalog Number (SCN)**: 20066  
- **COSPAR ID**: 1989-046A  
- **NSSDCA ID**: 1989-046A  

These identifiers are used across international satellite tracking systems to uniquely identify and monitor objects in orbit.

### Launch Information
- **Launch Date**: June 14, 1989  
- **Launch Vehicle**: Titan IV  
The Titan IV family of rockets was primarily utilized by the U.S. Air Force for deploying high-priority payloads including national security satellites.

### Classification and Context
- **Instance Of**: Artificial satellite  
As an artificial satellite, USA 39 operates in Earth orbit to fulfill predetermined missions, likely related to defense or intelligence activities given its USA designation.

### Data Sources
All structured information about USA 39 is referenced from Q6272367, ensuring consistency with authoritative aerospace and satellite databases.

## References

1. Jonathan's Space Report