503rd Marine Battalion

Full name: 503rd Separate Marine Infantry Battalion

Active:

July 20, 2015 –

Garrison:

Mariupol, Donetsk Oblast

Size:

250 - 500 servicemen

Motto:

If an offensive – then we

Unit Role:

Marine Infantry Forces

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About Unit

503rd Separate Marine Infantry Battalion is a military unit of the Naval Forces, and currently under the command of 38th Marine Brigade. The unit is based in Mariupol, Donetsk Oblast.

Lt. Col. Oleksandr Kovalyov

Unit Commander

Current Structure

Here you can find the last known structure of the unit, including their insignia if available.

Unit Headquarters

It includes the headquarters, management and commandant platoon.

1st Marine Infantry Company

The first company of the battalion.

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2nd Marine Infantry Company

The second company of the battalion.

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Air Assault company

The air assault company of the battalion.

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Former Units

Equipment

Here, you can view the complete list of the unit’s equipment. All images of the vehicles and weapons below are sourced from the official social pages.

T-72B

Main Battle Tank

BMP-3

Infantry Fighting Vehicle

AMX-10

Light Armored Vehicle

M113

Armoured Personnel Carrier

2S1 Gvozdika

Artillery

We currently don’t have information about the unit’s insignia history. Please check back later.

This page was created on December 11, 2022, and last edited on December 7, 2025.

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