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Possum

One of the most effective resistance activities during World War II was the establishment of escape and evasion lines (click here to read the blog Escape Lines). These were elaborate, sophisticated, and clandestine routes set-up to guide downed airmen and escaped POWs back to England.

Today’s blog offers you the opportunity to learn about a former British military intelligence agency dedicated to supporting the escape and evasion lines as well as the Possum Line and its Belgian founder, Dominique Edgard Potier.

Edgard Potier. Photo by anonymous (date unknown). PD-Expired copyright. Wikimedia Commons.
Edgard Potier. Photo by anonymous (date unknown). PD-Expired copyright. Wikimedia Commons.

Did You Know?

Did you know that four sitting United States presidents have been assassinated? Robert Todd Lincoln (1843−1926), the eldest son of Abraham Lincoln, was nearby when three of the presidents were assassinated. Lincoln served in the Union army on Gen. U.S. Grant’s staff and he later became secretary of war under presidents James A. Garfield and Chester A. Arthur. One of Lincoln’s last public positions was an appointment by Benjamin Harrison as minister to the Court of St. James’s in the United Kingdom. 

Lincoln was “hanging out at the White House with some friends” (his words) when news arrived that his father had been shot. He went to the house where President Lincoln was taken across the street from the Ford Theater. He stayed with his father until the president died the next morning on 15 April 1865. During the evening of 30 June 1881, Lincoln met with President Garfield and several other cabinet members when the president asked for his recollection of the events of his father’s assassination. Less than forty-eight hours after that discussion took place, President Garfield was shot while Robert Lincoln stood nearby. Three months later, the president died from an infection of his wound. Lincoln went on to become president of the Pullman Car Co. and in 1901, President William McKinley invited Lincoln to join him at the Pan-American Exposition in Buffalo. When Lincoln arrived by train in Buffalo, he was given the telegram informing him that McKinley had been shot. He rushed to the president’s bedside and was encouraged by McKinley’s progress. However, President McKinley succumbed to infection and died on 14 September 1901. He was the third United States president to have been assassinated and Robert Lincoln was a bystander to all three.

After that, Lincoln said, “There is a certain fatality about presidential functions when I am present.” He never accepted five separate invitations to run for president or vice-president.


British Directorate of Military Intelligence Section 9 (MI9) 

Many of us are aware of two well-known British intelligence organizations: MI5 and MI6. During World War II, the British War Office created the secret MI9 department with its mission of assisting POWs to escape and to help military personnel (primarily downed Allied airmen) evade capture behind enemy lines in Axis-controlled countries. Escape and evasion lines were established in many of the occupied countries, but the best-known lines originated in Belgium and France. As Allied bombing increased in 1942, the evasion lines became an integral part of resistance activities and perhaps, one of the riskiest. MI9’s headquarters was located at the Shean Block within Wilton Park in Buckinghamshire, England. Read More Possum

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The Double Cross System

Undoubtedly, many of you have heard the story of the fake army which was used to deceive Hitler and his generals into planning for a cross channel invasion (across the Strait of Dover to Pas de Calais). It is true but the story is somewhat more complex and as wartime documents seven decades old are declassified, historians are only now able to fill in missing gaps and answer why Hitler reacted the way he did to the Normandy invasion.


Did You Know?

Did you know that the author of the James Bond series, Ian Fleming (1908−1964), worked for British Naval Intelligence during World War II? He was promoted to commander and initially served as the assistant to the Director of Naval Intelligence, the curmudgeon Rear Admiral John Godfrey (1888−1970). In that role, Fleming represented Godfrey in many high-level meetings with the British Secret Intelligence Service, Special Operations Executive (SOE), and the Prime Minister’s staff among other wartime government organizations including the United States Office of Strategic Services (OSS—the predecessor to the CIA).

You will shortly meet Duško Popov, one of the principal double agents for the Double Cross System. He was a Serbian intelligence agent who was flamboyant, wealthy, promiscuous, and well-connected in France and the United States. Popov offered his services to the German Abwehr (military intelligence) with the intent all along of becoming a double agent. Popov was anti-Nazi and promptly became a double agent working for MI5 (British Military Intelligence, Section 5). Stationed in Lisbon in mid-1941, Popov was paid $80,000 for his MI5 services. At the time, Fleming had been assigned to shadow him. Popov frequented a local casino where one evening he became upset with the way the house was breaking the rules to benefit one of its affluent baccarat clients. Popov placed a $50,000 bet which the other gentleman was obliged to match, much to his chagrin. This ended with Popov collecting his money and an admonishment to the dealer, “I trust you’ll call this to the attention of the management and that in the future such irresponsible play will be prohibited. It is a disgrace and an annoyance to the serious players.” As he walked away, Popov winked at Fleming whom he knew was with British Intelligence and had been watching him.

Many of the Bond books and its characters were based loosely on Fleming’s wartime experiences. Bond’s boss, M, was based on Godfrey while Miss Moneypenny was loosely based on Vera Atkins, one of leaders of the SOE (click here to read Women Agents of the SOE). It is thought the James Bond character is likely based on Duško Popov and the reason we see Bond in so many casinos stems from Fleming’s experience that evening in the Lisbon casino.

One last tidbit of information: Popov once told Fleming that his uncle, Milivoj Popov, lived in Belgrade, Serbia and the number he called to speak with his uncle was 26-007.


Deception strategies were used by the Allies and Germans against one another throughout World War II. However, by 1942, the Americans and British held the upper hand: intelligence was gained through the top secret Ultra program by decrypting German messages using the Nazi military Enigma machine at Bletchley Park. Deception methods created primarily by British intelligence were becoming increasingly complex and successful. As Churchill, Roosevelt, and Stalin agreed in late 1943 on plans for an invasion of Europe, the Allies came up with the largest deception plan to date to be used against the Nazis.

Bletchley Park. Photo by Magnus Manske (2005). PD-GNU Free Documentation. Wikimedia Commons.
Bletchley Park. Photo by Magnus Manske (2005). PD-GNU Free Documentation. Wikimedia Commons.
Four rotor German naval Enigma. Photo by Magnus Manske (2005). Bletchley Park. PD-GNU Free Documentation. Wikimedia Commons
Four rotor German naval Enigma. Photo by Magnus Manske (2005). Bletchley Park. PD-GNU Free Documentation. Wikimedia Commons

Operation Bodyguard and Fortitude

Operation Bodyguard was the American and British-led umbrella deception plan to mislead the Germans into thinking the inevitable invasion of Europe would take place at a location other than the real invasion site. Additionally, the plan was to deceive Hitler about the actual date, time, and size of the assault force. It was formulated in 1943 once the Allies agreed to a 1944 invasion date. Read More The Double Cross System