2026-09-26T08:26:27+01:00https://marinefinds.org.uk/datalabs/terminology/object/format/jsonhttps://marinefinds.org.uk/datalabs/terminology/object/format/xmlhttps://marinefinds.org.uk/datalabs/terminology/object11516162642AUXILIARY UNIT SPECIAL DUTIES BASEYA well concealed structure, usually constructed undergound, intended for use by members of the Special Duties section of the Auxiliary Units (or British Resistance Organization) in the event of invasion.1P