Operation Jedburgh

Operation Jedburgh was a clandestine operation during World War II, in which personnel of the British Special Operations Executive, the U.S. Office of Strategic Services, the Free French Bureau Central de Renseignements et d'Action ("Central Bureau of Intelligence and Operations") and the Dutch and Belgian Armies were dropped by parachute into occupied France, the Netherlands and Belgium to conduct sabotage and guerrilla warfare, and to lead the local resistance forces in actions against the Germans.

• http://en.wikipedia.org/wiki/Operation Jedburgh