armor plating
Noun
Meaning
specially hardened steel plate used to protect fortifications or vehicles from enemy fire
Source: WordNetSynonyms
Hypernyms
Hyponyms
Examples
In the 1970s, the Pentagon reported that the Soviet military had developed armor plating for Warsaw Pact tanks that NATO ammunition could not penetrate.
This mod came about due to the "broken rib" effect that occurred when the Sheridan fired conventional rounds; the recoil would pitch the commander against the armor plating, resulting in cracked ribs.