= Signals intelligence operational platforms by nation
{wiki=Signals_intelligence_operational_platforms_by_nation}
Signals intelligence (SIGINT) refers to the collection and analysis of electronic signals and communications to gather intelligence. Different nations utilize a variety of platforms for SIGINT operations, which can be broadly categorized into three main types: airborne platforms, land-based systems, and space-based platforms. Below is an overview of some nations and their SIGINT operational platforms. \#\#\# United States - **Airborne Platforms**: The U.S. operates various aircraft like the **RC-135** series (e.g.
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