# signals intelligence satellite

> type of military satellite focused on intelligence gathering

**Wikidata**: [Q137669847](https://www.wikidata.org/wiki/Q137669847)  
**Source**: https://4ort.xyz/entity/signals-intelligence-satellite

## Summary
A signals intelligence satellite is a type of military satellite primarily focused on gathering intelligence. These spacecraft covertly collect data for intelligence or military applications, serving as a subclass of reconnaissance satellites. They are also known by aliases such as SIGINT satellite, communications intelligence satellite (COMINT satellite), and electronic intelligence satellite (ELINT satellite).

## Key Facts
*   A signals intelligence satellite is a type of military satellite.
*   Its primary use is signals intelligence.
*   It is also known as a SIGINT satellite, communications intelligence satellite (COMINT satellite), or electronic intelligence satellite (ELINT satellite).
*   It is an instance of a spacecraft type.
*   Signals intelligence satellites are a subclass of reconnaissance satellites.
*   Notable classes and models include the Soviet/Russian Tselina family, U.S. Orion series, U.S. Naval Ocean Surveillance System, American Aquacade, and American Magnum.
*   Specific Soviet models include DS-K-40, Tselina-OK, Tselina-O, Tselina-OM, Tselina-R, Tselina-2, and Tselina-D.
*   Examples of individual American military ocean surveillance and SIGINT satellites include Parcae 13A, 13B, 13C, and Intruder 11, 12, 13, 14.

## FAQs
### Q: What is the main purpose of a signals intelligence satellite?
A: The main purpose of a signals intelligence satellite is to gather intelligence for military applications. These satellites covertly collect data, focusing specifically on signals intelligence (SIGINT).

### Q: What are some other names for a signals intelligence satellite?
A: Signals intelligence satellites are also known by several aliases, including SIGINT satellite, communications intelligence satellite (COMINT satellite), and electronic intelligence satellite (ELINT satellite).

### Q: What countries have developed signals intelligence satellites?
A: Both the United States and the Soviet Union/Russia have developed signals intelligence satellites. Examples include the Soviet/Russian Tselina family and various U.S. series like Orion, Naval Ocean Surveillance System, Aquacade, and Magnum.

## Why It Matters
Signals intelligence satellites play a critical role in modern military and intelligence operations by providing crucial, covertly collected data. Their ability to intercept and analyze electronic signals, communications, and other forms of electromagnetic radiation offers invaluable insights into the capabilities, intentions, and deployments of potential adversaries. This intelligence is vital for national security, enabling informed decision-making in defense strategies, military planning, and international relations. By continuously monitoring and gathering signals intelligence, these satellites contribute to early warning systems, enhance situational awareness for military forces, and support strategic reconnaissance efforts. Their specialized focus on signals distinguishes them within the broader category of reconnaissance satellites, making them indispensable tools for maintaining a technological and informational advantage in a complex global landscape.

## Notable For
*   Specializing in signals intelligence (SIGINT), which includes communications intelligence (COMINT) and electronic intelligence (ELINT).
*   Encompassing various satellite series and models developed by both the United States and the Soviet Union/Russia, such as Tselina, Orion, Naval Ocean Surveillance System, Aquacade, and Magnum.
*   Serving as a crucial component of military intelligence, designed to covertly collect data for military applications.
*   Being a specific subclass of reconnaissance satellites, highlighting its dedicated focus on signal interception rather than imagery or other forms of data.

## Body

### Definition and Purpose
A signals intelligence satellite is a type of military satellite. Its primary function is intelligence gathering, specifically focusing on signals intelligence (SIGINT). These satellites are designed to covertly collect data for intelligence or military applications.

### Classification and Aliases
Signals intelligence satellites are an instance of a spacecraft type. They are classified as a subclass of reconnaissance satellites, which are satellites that covertly collect data for intelligence or military applications. Common aliases for signals intelligence satellites include:
*   SIGINT satellite
*   Communications intelligence satellite (COMINT satellite)
*   Electronic intelligence satellite (ELINT satellite)

### Notable Classes and Models
Several classes and models of signals intelligence satellites have been developed:

#### Soviet Union/Russia
*   **Tselina**: A family of Soviet Union/Russian signals intelligence satellites.
    *   **Tselina-OK**: A model of Soviet signals intelligence satellite.
    *   **Tselina-O**: A model of Soviet signals intelligence satellite.
    *   **Tselina-OM**: A model of Soviet signals intelligence satellite.
    *   **Tselina-R**: A model of Soviet signals intelligence satellite.
    *   **Tselina-2**: A model of Soviet signals intelligence satellite.
    *   **Tselina-D**: A model of Soviet signals intelligence satellite.
*   **DS-K-40**: A model of Soviet ELINT satellite.

#### United States
*   **Orion**: A series of U.S. spy satellites, which includes signals intelligence capabilities.
*   **Naval Ocean Surveillance System**: A series of signals intelligence satellites of the U.S. Navy.
*   **Aquacade**: A model of American signals intelligence satellite.
*   **Magnum**: A model of American signals intelligence satellite.
*   **Jumpseat**: A series of reconnaissance satellites, some of which may have SIGINT capabilities.

### Specific Related Satellites
Individual satellites that are examples of or related to signals intelligence include:
*   **Parcae 13A, 13B, 13C**: American military ocean surveillance and SIGINT satellites.
*   **Intruder 11, 12, 13, 14**: American military ocean surveillance and SIGINT satellites.
*   **Orion 9**: An American signals intelligence satellite.
*   **Orion 6**: A reconnaissance satellite for the National Reconnaissance Office, related to the Orion series.

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