Operation Columba was one of the most secretive arms of British Intelligence during the second world war. Between April 1941 and September 1944, its agents made 16,554 drops over an area stretching from Copenhagen to Bordeaux. Amongst Columba’s successes was the mapping of Belgium’s entire coastal defence system, 67 kilometres worth of priceless, minutely detailed information.

Disagree with half of it, enjoy reading all of it
TRY A MONTH FREE
Our magazine articles are for subscribers only. Try a month of Britain’s best writing, absolutely free.
Already a subscriber? Log in
Comments
Join the debate, free for a month
Be part of the conversation with other Spectator readers by getting your first month free.
UNLOCK ACCESS Try a month freeAlready a subscriber? Log in