Operation Cornflakes

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The original three OSS stamp issues printed for the operation.
A later variety of the 'Futsches Reich' stamp printed for the operation.

Operation Cornflakes (1944–1945) was a World War II Office of Strategic Services (OSS) Morale Operation (MO). Operation Cornflakes involved tricking the German postal service, Deutsche Reichspost, into inadvertently delivering anti-Nazi propaganda to German citizens through mail.[1]

The operation involved special planes that were instructed to airdrop bags of false, but properly addressed, mail in the vicinity of bombed mail trains. When recovering the mail during clean-up of the wreck, the postal service would hopefully confuse the false mail for the real thing and deliver it to the various addresses.[1]


The OSS was formed from the division of the Foreign Information Service (FIS) and the Coordinator of Information (COI), a division that President Roosevelt enacted by Executive order 9128.[2] The remainder of the COI was renamed the Office of Strategic Service. The newly formed OSS was under jurisdiction of the Joint Chief of Staff, giving the OSS the capability and status of a military branch.[2] The overarching goal of the operation was to disrupt the morale of the German people by using a method of large scale psychological operation (PSYOP) that the British MI6 had been pushing into service with the help of the Royal Air Force (RAF).[3] Also by using the same pattern of mission that a previous OSS operation in Hungary undertook the OSS would craft their more intricate Operation Cornflakes.[4] The distribution of propaganda in letters and distributed by the German postal system was thought to be an ideal method of reaching the German population and undermine the support of Adolf Hitler.

Operation CORNFLAKES began with OSS officials collecting any and all German POWs that had experience with the German postal service or Reichspost.[3] These POW’s were coerced with meals in exchange for information in collection, sorting, canceling and delivery of the mail. The OSS did not infiltrate Germany directly because they felt it necessary to focus their efforts in the liberation of France in 1944, but by the waning years of the war Secret Intelligence agents of the OSS could be found trickling in. The information gathered however came from nearby outposts in neutral countries that would supply the OSS with information.[5] With this information the OSS and German exiles scoured the telephone directories and pulled over two million, randomly selected names registered within the Reich to send forged letters to.[4][6] A unit of the OSS out of Rome claimed to have forged over 15000 envelopes a week.[6] Within the letters contained writings about family happenings and gossip about non-existent people, the idea being that the domestic mail was not censored unlike the business mail.[3] The letters coming out of Rome to be mailed were completed in different cities around Rome. The envelopes were to be addressed and sealed in Sienna, then down to Rome where they would be placed into the counterfeit bags where the mail would be finally sent to Bari to be routed and canceled.[4]

In hopes of shaking the morale further in the German people, the OSS called upon master forgers similar in nature as MI6 once had, but rather than having an image of Himmler replacing Hitler, the OSS used a stamp of Hitler, but with some minor modifications. The modifications included a skull overlay that resembles a portion of Hitler’s jaw having been "eaten away". The German subscript at the bottom of the stamp was also altered from 'Deutsches Reich' (German Empire) to 'Futsches Reich' (ruined empire). These stamps were known as the "Death Head" and were usually placed in the letter with other subversive materials.[3] The letters were arranged in Reichspost bags that the OSS had forged to resemble the original bags. These precisely made bags were indistinguishable from the real German mail bags and were mimicked down to the material used.[4] The bags would then be loaded aboard bombs specially designed to deploy the bags near a destroyed train, preferably one carrying mail, and drop the forgeries in amongst the originals in hopes that they would be put into circulation with the rest of the mail. However, all the prior planning was almost for naught because in August 1944 the Reichspost altered their franking machines on the domestic mail making the thousands of letters previously written void.[3]

The OSS obtained a copy of the frank design and went to work again drafting up new letters and with the letters, subversive material. By September the next blow to the OSS operation was intelligence gathered that no domestic mail would be delivered due to wartime internal power struggle within Germany.[3] One page newspaper leaflets called Das Neue Deutschland which contained material that the official newspaper would never print were placed into some of the outgoing letters to be dropped by the 15th Air Force.[4] The 15th Air Force and fighter group detachment would be tasked with the destruction of the mail train and the planting of the mailbags of propaganda (Cornflakes) amongst the debris.[4] The first mission of Operation Cornflakes took place on 5 January 1945, when a mail train to Linz was bombed. Bags containing a total of about 3800 propaganda letters were then dropped at the site of the wreck, which were subsequently picked up and delivered to Germans by the postal service.[7] Within 1944–45 twenty missions had been completed, reporting a success rate of 50%, leaving the 15th Air Force with over 320 delivered mailbags of propaganda.[4]


A major oversight by the OSS and its task force in Rome was that the ravages of war shut down many of the cities' critical services and in some cases the postal service. While some cities continued its services of mail delivery, the allied bombing had turned many residencies into piles of rubble; millions of people without a home were displaced and forced to leave and seek refuge elsewhere, in many cases with relatives.[3] Without a physical address left to deliver the mail to, much of it was discarded. Another oversight was simply the fact that when people received mail from an unknown source they would usually destroy it, especially if the letters contained allied propaganda, either out of loyalty or fear of punishment.[3]

Fake postage stamps[edit]

The British were the first to forge the Hitler head stamp in 3, 4, 6 and 8 Pfennig values from 1941 until the end of the war.[6] These stamps were of better quality versus the Americans' attempt at forgery because the British used actual stamp production facilities whereas the Americans did not have access to quality ingredients such as paper, ink or engravers.[6] The American forgeries focused much of their efforts on the 12 Pfennig stamp which hosted Hitler’s head and exposed skull.[3]

The postage stamps used on the envelopes were forged 6 pf and 12 pf Hitler-head stamps intended to look identical to genuine German stamps of the era, though these forgeries were printed by the Office of Strategic Services (OSS).

See also[edit]


  1. ^ a b Liptak, Eugene (19 March 2013). Office of Strategic Services 1942-45: The World War II Origins of the CIA. Osprey Publishing. pp. 1924–1926. ISBN 978-1-4728-0183-8.
  2. ^ a b Liptak, Eugene (2009). Office of strategic services 1942-45: The world war II origins of the CIA. United Kingdom: Osprey Publishing. p. 5. ISBN 978-1-84603-463-3.
  3. ^ a b c d e f g h i Volkman, Ernest (1996). Espionage: The greatest spy operations of the twentieth century. Toronto, ON: Wiley, John & Sons. pp. 248–255. ISBN 0-471-01492-3.
  4. ^ a b c d e f g O'Donnell, Patrick K (2004). Operatives, spies, and saboteurs: The unknown story of the men and women of world war II’s OSS. New York: Free Press. pp. 237–238. ISBN 0-7432-3572-X.
  5. ^ Liptak, Eugene (2009). Office of strategic services 1942-45: The world war II origins of the CIA. United Kingdom: Osprey Publishing. p. 36. ISBN 978-1-84603-463-3.
  6. ^ a b c d "Postal forgeries, use of ('operation Cornflakes')". Central Intelligence Agency. May 8, 2007. Retrieved March 20, 2016.
  7. ^ Manning, Martin; Herbert Romerstein (2004). Historical dictionary of American propaganda. Greenwood Publishing Group. ISBN 0-313-29605-7.

External links[edit]