Video showing a Ukrainian (Azov regiment) BTR-4 armored vehicle firing on a Russian tank and BMP-1/BRM-1K in Mariupol with its 30mm cannon. A good indication of why a 25-30mm cannon is more useful than a heavy machine gun for armored vehicles.https://t.co/7oUq00rcQK pic.twitter.com/LTHgxbRwyq

— Rob Lee (@RALee85) March 14, 2022