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
Free Belgian forces (older) officers to other ranks. Since the Belgian military had officially surrendered in May 1940 and the Belgian Constitution specifically forbade Belgians from joining foreign militaries, the Free Belgian forces were officially committing treason; the charge was only annulled in 1948 and nobody was prosecuted. Despite the formation of all-Belgian ground units from late 1940, many Belgian volunteers – especially those in the Royal Air Force – served in majority British units, particularly in the early years after the formation of the Free Belgian forces. In 1940, the Belgian government-in-exile decided to raise a military unit from pre-war Belgian émigrés