💥 Attack

Ukrainian naval units struck the Russian Black Sea Fleet communications center at the 184th Scientific and Research Experimental Base in Sevastopol, occupied Crimea on the night of September 10-11.

September 11, 2025 Sevastopol, Crimea

Likely Reported by 2 independent sources

Institute for the Study of War Kyiv Independent

Two or more independent sources agree on the core facts. Additional sources would further strengthen this assessment.

Entities

Ukrainian Navy (military_unit) Russian Black Sea Fleet (military_unit) 184th Scientific and Research Experimental Base (location) 184th Research and Testing Facility (location) Black Sea Fleet (military_unit)

Source Reports

What each source reports. "Source tone" reflects the language used by the outlet — it is not an independent verification.

Institute for the Study of War → Source tone: likely

Ukrainian naval units struck the Black Sea Fleet communications center in Sevastopol

Kyiv Independent → Source tone: likely

The communications center was responsible for coordinating operations of Russia's Black Sea Fleet units and was located at the site of the 184th Research and Testing Facility.

Kyiv Independent → Source tone: likely

The attack reportedly took place overnight on Sept. 11.

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Extraction metadata

Extracted: 2026-02-24T00:13:44.295Z

Source story: russian-offensive-campaign-assessment-september-14-2025