2026-09-27T16:28:48+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object10477140358HARDENED AIRCRAFT SHELTERYA type of military aircraft hangar of the Cold War, hardened and therefore protected against the effects of nuclear weapons. It comprises a semi-circular structure built of corrugated-steel supporting a reinforced-concrete skin. Three NATO designs.1P