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Companies

Sky Fortress

A nationwide low-cost acoustic sensor network and Sky Map command-and-control platform that detects Russian drones and missiles by sound.

Sky Fortress is a Ukrainian company, reported to have been established in 2022 by engineers with ties to the Ukrainian military, that builds a nationwide network of low-cost acoustic sensors to detect incoming drones and missiles. Each unit, reportedly costing between $400 and $1,000, listens for the characteristic sound of an approaching threat and works with neighbouring sensors to triangulate its position. Coverage figures cited in coverage of the system put the network at roughly 14,000 sensors across Ukraine.

The detections feed Sky Map, a software command-and-control platform also developed by the company, which integrates acoustic data with inputs from radars and other systems into a single air picture displayed on a tablet and relays targeting information to mobile anti-aircraft fire teams. Reporting credits the approach with a high share of Russian drone interceptions and notes it is comparatively cheap and fast to field.

The technology has drawn international interest. Outlets report that Sky Map has been demonstrated to NATO partners and trialled abroad, including deployment by the United States at bases in the Gulf to counter Shahed-type drones, and that Romania has tested the system. Such accounts describe Ukraine offering its counter-drone expertise to partner states, positioning Sky Fortress within the wider export of battlefield-proven Ukrainian air-defence technology.

acoustic-detection sensor-network triangulation shahed command-and-control air-defence

Products

Software

  • Sky Map

    Command-and-control platform that fuses acoustic, radar and other sensor data into a single air-picture on a tablet and passes targeting data to mobile fire teams.

Hardware

  • Sky Fortress acoustic sensor

    Low-cost microphone unit (reported $400-$1,000 each) that detects the acoustic signature of drones and missiles and triangulates their position across the network; reportedly ~14,000 deployed across Ukraine.

Sources