# Advanced Extremely High Frequency

> United States military communications satellite constellation

**Wikidata**: [Q379544](https://www.wikidata.org/wiki/Q379544)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Advanced_Extremely_High_Frequency)  
**Source**: https://4ort.xyz/entity/advanced-extremely-high-frequency

## Summary
Advanced Extremely High Frequency (AEHF) is a constellation of military communications satellites operated by the United States Space Force. The system consists of geostationary satellites designed to provide secure and reliable telecommunications for the United States military. The satellites were manufactured by Lockheed Martin Space and Northrop Grumman Aeronautics Systems.

## Key Facts
- **Operator:** United States Space Force
- **Country of Origin:** United States
- **Type:** Military communications satellite constellation
- **Manufacturers:** Lockheed Martin Space, Northrop Grumman Aeronautics Systems
- **Satellite Bus:** A2100
- **Orbit:** Geosynchronous orbit
- **Classifications:** Communications satellite, military satellite, geostationary satellite
- **Known Satellites:** USA-214, USA-235, USA-246, USA-288, USA-292, USA-298

## FAQs
### Q: What is the Advanced Extremely High Frequency (AEHF) system?
A: The Advanced Extremely High Frequency (AEHF) system is a constellation of artificial satellites used by the United States military for telecommunications. It is operated by the U.S. Space Force and consists of multiple satellites in geostationary orbit.

### Q: Who operates the AEHF satellite constellation?
A: The AEHF constellation is operated by the United States Space Force.

### Q: Who built the AEHF satellites?
A: The AEHF satellites were manufactured by a team led by Lockheed Martin Space and Northrop Grumman Aeronautics Systems.

## Why It Matters
The Advanced Extremely High Frequency (AEHF) constellation is a critical component of United States military infrastructure. As a dedicated military satellite system, it provides secure, survivable, and global communications capabilities essential for national security operations. Its role is to ensure that military forces, from strategic command to tactical units in the field, can communicate reliably without depending on civilian networks, which may be vulnerable or unavailable during a crisis.

The system's geostationary orbit allows for persistent coverage over specific regions of the Earth, which is vital for continuous command and control. Operated by the U.S. Space Force, the AEHF represents a specialized, high-technology asset focused solely on supporting the communication needs of the warfighter. Its existence underscores the importance of space-based systems in modern military strategy and operations, providing a protected communications backbone for U.S. and allied forces worldwide.

## Notable For
- **Dedicated Military System:** AEHF is exclusively a military satellite constellation, designed specifically for secure military telecommunications.
- **U.S. Space Force Operation:** The constellation is operated by the United States Space Force, highlighting its importance as a national security space asset.
- **Geostationary Constellation:** The system is composed of multiple satellites placed in geostationary orbit to provide constant and widespread communications coverage.
- **Advanced Satellite Bus:** The satellites in the AEHF constellation are built on the A2100 spacecraft bus platform.

## Body
### Overview and Classification
Advanced Extremely High Frequency (AEHF) is the designation for a United States spacecraft constellation. Its primary purpose is to serve as a military communications satellite system. The constellation is classified as a communications satellite, a military satellite, and a geostationary satellite system. Its official alias is AEHF.

### Operators and Manufacturers
The AEHF constellation is operated by the United States Space Force. The primary manufacturers responsible for the satellites are Lockheed Martin Space and Northrop Grumman Aeronautics Systems. The system originates from the United States.

### Technical Details
- **Orbit:** The satellites operate in a geosynchronous orbit.
- **Spacecraft Bus:** The satellites utilize the A2100 spacecraft bus.

### Constellation Satellites
The AEHF constellation is comprised of multiple individual satellites. Known spacecraft that are part of or related to the system include:
- USA-214
- USA-235
- USA-246
- USA-288
- USA-292
- USA-298

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## References

1. [Source](https://www.lockheedmartin.com/en-us/products/aehf.html)
2. Freebase Data Dumps. 2013
3. [Source](https://space.skyrocket.de/doc_sdat/aehf-1.htm)
4. [Source](https://golden.com/wiki/Advanced_Extremely_High_Frequency_(AEHF)-5Y64JP)