Double Cross System
The Double-Cross System, or XX System, was a World War II anti-espionage and deception operation of the British Security Service, a civilian organisation usually referred to by its cover title MI5. Na...
Operation Crossbow
Crossbow was the code name of the World War II campaign of Anglo-American "operations against all phases of the German long-range weapons programme—operations against research and development of the w...
Operation Crossbow - Wikipedia
V-1 (flying bomb)
The V-1 flying bomb (German: Vergeltungswaffe 1,)—also known to the Allies as the buzz bomb, or doodlebug, and in Germany as Kirschkern (cherrystone) or Maikäfer (maybug)—was an early pulsejet-pow...
V-1 (flying bomb) - Wikipedia
Double-Cross System
The Double-Cross System, or XX System, was a World War II anti-espionage and deception operation of the British Security Service, a civilian organisation usually referred to by its cover title MI5. Na...
T.A. Robertson
Thomas Argyll Robertson OBE (1909-1994), known as "Tommy" or by his initials as "TAR", was a Scottish MI5 intelligence officer, responsible during the Second World War for the Double Cross System disi...
Dušan Popov
Dušan "Duško" Popov OBE (Serbian Cyrillic: Душан "Душко" Попов; 10 July 1912 – 10 August 1981) was a Serbian double agent working for MI5 during World War II under the code name "Tricycle" and th...
Joan Pujol Garcia
Joan Pujol Garcia MBE (Catalan; Spanish: Juan Pujol García) (14 February 1912 – 10 October 1988) deliberately became a double agent during World War II, known by the British codename Garbo an...
Joan Pujol Garcia - Wikipedia
Mutt and Jeff (spies)
Mutt and Jeff were two Norwegian spies who worked for the United Kingdom and MI5 and were members of the Double Cross System.In April 1941 two Norwegians, John "Helge" Moe (Mutt) and Tor Glad (Jeff) f...
Nathalie Sergueiew
Nathalie "Lily" Sergueiew (1912–1950) was a female double agent who worked for MI5 during World War II under the codename "Treasure". She played a significant role in deceiving the Germans about the l...
Eddie Chapman
Edward Arnold "Eddie" Chapman (16 November 1914 – 11 December 1997) was an English criminal and wartime spy. During the Second World War he offered his services to Nazi Germany as a spy and a traitor ...
Eddie Chapman - Wikipedia
Johnny Jebsen
Johann "Johnny" Jebsen was an anti-Nazi German intelligence officer and British double agent (code name Artist) during the Second World War. Jebsen recruited Dušan Popov (who became the British agent ...
Johnny Jebsen - Wikipedia
Gösta Caroli
Gösta Caroli (6 November 1902 – 8 May 1975) was a double agent working for MI5 during the Second World War under the codename SUMMER.Gösta Caroli and Wulf Schmidt (a Danish citizen) landed, via parach...
Wulf Schmidt
Wulf Dietrich Christian Schmidt, later known as Harry Williamson (7 December 1911 – 19 October 1992) was a Danish citizen who during World War II became a double agent working for Britain agains...
Frank Foley
Major Francis Edward Foley CMG (24 November 1884, Highbridge, Somerset – 8 May 1958, Stourbridge) was a British Secret Intelligence Service officer. As a passport control officer for the British...
Frank Foley - Wikipedia
Combined Bomber Offensive
The Combined Bomber Offensive (CBO) was an Anglo-American offensive of strategic bombing during World War II in Europe. The primary portion of the CBO was against Luftwaffe targets which was the highe...
Combined Bomber Offensive - Wikipedia
Roman Czerniawski
Roman Garby-Czerniawski (6 February 1910 – 26 April 1985 in London) was a Polish Air Force Captain and Allied double agent during World War II, using the codename Brutus.
Czerniawski graduat...
Roger Grosjean
Roger Grosjean (25 July 1920 – 7 June 1975) started his career as a French Air Force fighter pilot in France, England and North Africa. This involved a short stint as a Security Service (MI5) do...
Roger Grosjean - Wikipedia
Arthur Owens
Arthur Graham Owens, later known as Arthur Graham White (14 April 1899 – 24 December 1957) was a Welsh double agent for the Allies during the Second World War. He was working for MI5 while appea...
V-2 rocket
The V-2 (German: Vergeltungswaffe 2, "Retribution Weapon 2"), technical name Aggregat-4 (A4), was the world's first long-range guided ballistic missile. The missile with liquid-propellant rocket ...
V-2 rocket - Wikipedia