Direct proof of use
Public evidence for 55Zh6U Nebo-U use in the 2014 Russia-Ukraine War comes from Ukrainian official and General Staff-sourced reporting on Russian radar assets in occupied Crimea. Ukraine's military intelligence service reported on September 21, 2025 that its Prymary unit struck three Russian Mi-8 helicopters and a Russian 55Zh6U Nebo-U radar in temporarily occupied Crimea.
Independent Ukrainian reporting carried the same HUR claim and described footage released with the announcement as showing a drone striking the radar antenna. Kyiv Independent separately identified the destroyed radar as a 55Zh6U Nebo-U and described it as a long-range early-warning radar that provides targeting data for surface-to-air missile systems.
Sources: HUR September 2025 Crimea Nebo-U Strike, Kyiv Post September 2025 Crimea Nebo-U Strike, Kyiv Independent September 2025 Crimea Nebo-U Strike
Timeline
The open record clusters in 2025 and 2026, during Ukraine's campaign against Russian air-defense and radar infrastructure in occupied Crimea. HUR's September 2025 statement provides the clearest official Ukrainian identification of a 55Zh6U Nebo-U radar in the theater.
On February 13, 2026, General Staff-sourced reports said Ukrainian forces struck a Russian 55Zh6U Nebo-U near Yevpatoriia in occupied Crimea. On April 14, 2026, UNN, The New Voice of Ukraine, and Kyiv Post reported a Ukrainian General Staff confirmation that Ukrainian forces hit a Nebo-U radar station in Feodosia, also in occupied Crimea, while striking other Russian radar and air-defense assets.
Sources: HUR September 2025 Crimea Nebo-U Strike, Kyiv Independent Yevpatoriia Nebo-U Strike, Ukrinform Yevpatoriia Nebo-U Strike, UNN Feodosia Nebo-U Strike, NV Feodosia Nebo-U Strike, Kyiv Post Feodosia Nebo-U Strike
Battlefield role
The Nebo-U appears in the conflict record as a sensor, not as a direct-fire weapon. Russian reference material describes the 55Zh6U as a meter-band, three-coordinate radar for medium- and high-altitude air surveillance, coordinate measurement, target tracking, and reporting to automated air-defense command systems.
The Crimea strike reports fit that role. Reporting on the September 2025 and February 2026 strikes identified the radar as a long-range system connected to air-defense coverage, and the April 2026 General Staff-sourced reports framed the Feodosia strike as part of efforts to reduce Russian air-defense capabilities.
Sources: Great Russian Encyclopedia Nebo-U Entry, Kyiv Independent September 2025 Crimea Nebo-U Strike, Kyiv Independent Yevpatoriia Nebo-U Strike, UNN Feodosia Nebo-U Strike, NV Feodosia Nebo-U Strike