HistoryData
Historical ConflictSouthern Naval Base

Capture of Southern Naval Base

Russia's blockade and capture of 13 Ukrainian naval vessels at Donuzlav bay in March 2014 eliminated Ukraine's Crimean fleet presence during the annexation of Crimea.

Duration & Scope

2014 ongoing

< 1 year

Key Facts

Duration
3 March – 27 March 2014
Ukrainian ships captured
13
Key Russian vessel used
Missile cruiser Moskva
Ships scuttled to block bay
Ochakov + several smaller vessels
Last Ukrainian ship seized
Minesweeper Cherkasy

Strategic Narrative Overview

On 3 March 2014, the Russian missile cruiser Moskva began blockading Donuzlav bay. The Russian Navy then deliberately scuttled the anti-submarine ship Ochakov and several smaller vessels across the bay's mouth, trapping 13 Ukrainian naval ships inside. Unable to break out or reach the main Ukrainian fleet at Odesa, the bottled-up vessels were progressively seized by Russian forces over the course of the month-long operation.

01 / The Origins

In early 2014, Russia moved to annex the Crimean Peninsula from Ukraine following political upheaval in Kyiv. As Russian forces asserted control over Crimea, securing or neutralizing Ukrainian military assets became a strategic priority. The Ukrainian Southern Naval Base at Donuzlav bay housed a significant portion of Ukraine's Black Sea fleet, making it a key objective for Russian forces seeking to complete their takeover of the peninsula.

03 / The Outcome

The siege concluded on 27 March 2014 when Russian forces captured the minesweeper Cherkasy, the last Ukrainian-flagged warship in Crimea. All 13 Ukrainian ships trapped in Donuzlav bay fell into Russian hands. The action effectively dismantled Ukraine's Crimean naval presence, consolidating Russian military dominance over the peninsula and leaving Ukraine without assets in the region.

Belligerents & Mobilization Analysis

Side A

1 belligerent

Russian Federation

Side B

1 belligerent

Ukraine
Outcome
Russian victory; all 13 Ukrainian naval vessels trapped in Donuzlav bay captured; last Ukrainian ship in Crimea seized on 27 March 2014

Kinetic Engagement Axis

Major engagements timeline (2014–present)Timeline of major military engagements plotted chronologically.2014present2014Blockade of Donu…Allied2014Capture of mines…Allied

Scroll horizontally to view full axis. Events plotted relatively.

Side A victorySide B victoryInconclusiveDecisive / turning point

Location

Map of Donuzlav, UkraineMap of Donuzlav, UkraineDonuzlav, Ukraine