A casemate is a fortified gun emplacement or armoured structure from which guns are fired, in a fortification, warship, or armoured fighting vehicle.
A mid-19th century artillery casemate at Fort Knox, Maine
An ancient casemate wall at Masada
Embrasures for artillery casemates in the flank of a bastion at the 17th-century Citadel of Arras.
Three tiers of artillery casemates at the mid-19th century Fort Point, San Francisco
A tank destroyer, tank hunter or tank killer is a type of armoured fighting vehicle, predominantly intended for anti-tank duties. They are typically armed with a direct fire artillery gun, also known
Casemate
…casemate-type armored fighting vehicles were heavily used by both the combined German Wehrmacht forces and the Soviet Red Army. They were mainly employed as tank destroyers and assault guns. Tank destroyers, intended to operate mostly from defensive ambush operations, did not need a rotating turret as much as offensively…
Two American M10 tank destroyers in Belgium during World War II