User:ErrantX/Sandbox/Military deception during World War I

During World War I military deception was used mostly on a tactical, rather than strategic, scale. Smaller deceptions were conducted; intended to provide an immediate benefit.

Code Book
Admirial Sir Reginald Hall, Director of Intelligence for the British Navy, employed a successful code book deception on the enemy, probably the most elaborate deception of the war. He instructed his operatives to invent a "Secret Emergency War Code" book, which was then allowed to fall into German hands. Hall convinced the Germans the book was real by seemingly using it to broadcast important messages.