Military officials considered sending flocks of homing pigeons armed with biological warfare agents against enemy targets, a secret report for British intelligence chiefs said.
The plan, developed by an enthusiastic wing commander immediately after the second world war, is revealed in MI5 files released today. There were also plans to train birds carrying explosives to fly into enemy searchlights.
By the end of the war conventional uses of pigeons had been rendered obsolete by radio and telephone, and the armed forces told Whitehall's Joint Intelligence Committee they would no longer pay for bird lofts. The re-evaluation is documented in three files labelled "Pigeon Policy", which record inter-departmental disputes over budgets.
To keep the birds on hand just in case, the military decided to maintain a loft in peace time. MI6 offered