The National Pigeon Service (NPS) was a volunteer civilian organization formed in Britain in 1938 as result of representations made to the Committee of Imperial Defence and the British Government by Major W. H.
[9] Wide press coverage was given to a solution proposed by Gord Young of Canada, based on a World War I coding book.
It explains 7 of the 26 unique code groups as ad hoc acronyms, such as "FNFJW - Final Note [ confirming ] Found Jerry's Whereabouts.
"[10] However, Michael Smith, a former British army intelligence operator and advisor to Bletchley Park, dismissed Young's purported decryption as "nonsense",[11] explaining "a World War One code ... wouldn’t have been used because it would have been well known to the Germans and insecure."
The Government Communications Headquarters (GCHQ) has stated "without access to the original code books, details of any additional encryption, or any context around the message, it will be impossible to decode.