Backed by a cornucopia of assets - namely the museum's vast oral history collection, season one of the five-part series ...

Historian Edith Hessenberger: "by now we are 100 percent sure that the objects belonged to the three men of Operation Greenup".

"Originally published as Secret Pigeon Service in Great Britain in 2018 by William Collins"--Title page verso. The fascinating, untold story of how British intelligence secretly used homing pigeons as ...