2026-09-24T23:21:29+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object652378227AIRCRAFT OBSTRUCTIONYShallow ditches and/or poles erected across open land to obstruct the landing of enemy aircraft and gliders.1P