Decryption of the Enigma Cipher allowed the Allies to read important parts of German radio traffic on important networks and was an invaluable source of military intelligence throughout the War.

Edith Roberts, from Newcastle, was part of a dedicated covert company who helped to crack Enigma-coded military communiques.

Aviation regulator has yet to confirm it authorized drones that have been linked to unexplained sightings in the U.S.