ⓘWhat do the D1–D5 confidence tiers mean?›
- D1A single attributed public source (museum, council, Historic England, CWGC, mapping data).
- D2Two or more independent public sources corroborate the same facts.
- D3A named coordinator or local reviewer has confirmed the public-source account.
- D4A named observer has personally visited and documented the site — photographs, inscriptions, condition.
- D5An archive or institution has provided written documentation supporting the entry.
A higher tier means more corroborating evidence, not automatic historical certainty. The Discovery layer does not replace archival verification.
The Western Approaches HQ Museum occupies Derby House, Exchange Flags — the preserved underground Combined Headquarters of Western Approaches Command, the nerve centre from which the Battle of the Atlantic was directed from February 1941.
Per the museum, the Operations Room remains as it was left when the doors closed on 15 August 1945. Visitors walk through the actual rooms where convoy routes were tracked and protected.
The museum hosts a permanent exhibition, Arctic Convoys: A Shared History, on the Liverpool–Russia convoy connection and Anglo-Soviet wartime cooperation — including the role of women in the operations.
This page is maintained within the coordinator network. Confirming and upholding the accuracy of its content is the coordinator’s responsibility.
What this page does not claim
- Verbatim exhibition text or current opening hours — confirm with the museum before visiting.
- Personal biographical claims about named personnel beyond Layer B archival surfaces.
- Endorsement by the museum; cited as a public source for documentary research only.
Sources
- BWestern Approaches Liverpool War Museum — Western Approaches Liverpool War Museumarchived ↗
- BWestern Approaches Liverpool War Museum — Western Approaches Museum — Arctic Convoys: A Shared Historyarchived ↗
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