501st Separate Naval Infantry Battalion

501st Separate Marine Infantry Battalion
501st Separate Marine Infantry Battalion
501-й окремий батальйон морської піхоти
	Shoulder patch
Founded	2003
Country	Ukraine
Allegiance	Armed Forces of Ukraine
Branch	Ukrainian Marine Corps
Type	Marines
Size	300 (2022)
Garrison/HQ	Kerch (2003-2014); Berdiansk (2014-2022)
Engagements	Annexation of Crimea by the Russian Federation; War in Donbas; Russian Invasion of Ukraine Siege of Mariupol; ;
Commanders
Current; commander	Major Yaroslav Kryklyvy
Notable; commanders	Kostiantyn Bezsmertnyi; Mykola Biriukov
Insignia
Shoulder patch (2014-2023)
Shoulder patch (2003-2014)

The 501st Separate Marine Infantry Battalion (military unit A1965) is a formerly independent Marine battalion that was part of the Ukrainian defense of Crimea and later part of the Ukrainian forces in the Siege of Mariupol, where the unit's commanders switched sides and tricked most of the battalion into surrendering to Russian forces.^[1]

^ Koval, Mykhailo. "Speech of First Deputy to the Secretary of the NSDC of Ukraine Mykhailo Koval at the session of the Verkhovna Rada of Ukraine commemorating the fifth anniversary of Russia's armed aggression against Ukraine". National Security and Defense Council of Ukraine. Retrieved 2 May 2023.

[MoD-1] Koval, Mykhailo. "Speech of First Deputy to the Secretary of the NSDC of Ukraine Mykhailo Koval at the session of the Verkhovna Rada of Ukraine commemorating the fifth anniversary of Russia's armed aggression against Ukraine". National Security and Defense Council of Ukraine. Retrieved 2 May 2023.

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