Escadron de Chasse 2/30 Normandie-Niemen Air Base (BA 118). During the rallying of général Charles de Gaulle through the Appeal of 18 June 1940 inviting Frenchmen to join him in London, some went on to Great-Britain in order to continue the fight with the Allies. Great-Britain became the most important « Free French military base and rallying point. Following the rupture of the Molotov–Ribbentrop Pact by Operation Barbarossa on June 22, 1941, representatives of Vichy were declared as Persona non grata by the Soviet Authorities and were asked to return to France. Colonel Charles Luguet, the air attaché of the Vichy Government in Moscow, changed
Jumping Frenchmen of Maine to adapt to this sort of reaction. Also, instances of many being shy may imply that the "jumper" was positively reinforced by the sudden attention as the entertainment for a group. In 1885, Georges Gilles de la Tourette included Jumping Frenchmen syndrome in the typology of "convulsive tic illness"; studies of the condition in the 1980s cast doubt on whether the phenomenon was in fact a physical condition similar to Tourette syndrome. Documentation of direct observation of "Jumping Frenchmen" has been scarce, and while videotape evidence was recorded by several researchers that showed the condition to be real, MH and