<prompt> Pedzisa mutsara unotevera: Akadzokera kubasa rechiuto Hondo Yenyika II isati yatanga, achinzi ave mukuru mukuru muRoyal Air Force Volunteer Reserve musi wa25 April 1939. Pana 17 June 1940, pashure pokuzivisa kwaMarchal Philippe Pétain chinangwa chake chokutsvaka  <response>: Mushure mokunge hondo yapera, Air-Vice Marshal Arthur Barratt, Air Officer Commanding-in-Chief British Air Forces muFrance, akatuma Grinnell-Milne pabasa rokuendesa tsamba kuvatungamiri veFrance Air Force, vachitaura kutsunga kweBritain kupfuurira kurwa, uye kuvakurudzira kuti vaite zvakafanana kuNorth Africa. Grinnell-Milne akagadzwawo muBritish liaison officer kuCommander-in-Chief weFrench Air Force Joseph Vuillemin, uye akashongedzerwa neinotakurika redhiyo transmitter, call-zviratidzo uye makodhi. Grinnell-Milne akaenda kuBordeaux, ipapo kuGHQ yeFrench Air Forces paAgen. Ikoko Vuillemin akasuruvara akamuudza kuti akanga atanga muitiro wokutamisa varume nendege kuNorth Africa, asi akanga zvino agamuchira mirairo yokumisa kufamba kwose. Grinnell-Milne akawana kuti vazhinji vevakuru vakuru vevashandi vaive vasiya basa ravo, vachivhiringidza, kana kuti vachivenga pachena, kunyange zvazvo akacherechedza kuti vazhinji vevakuru vechidiki nevarume vaida kuenda kuEngland. Akabva kuFrance musi wa18 June nechikepe. Paakadzokera kuLondon akagadzwa kuva mukuru mukuru wekubatana neFree French General Charles de Gaulle, achigara naye kwemwedzi mina yakatevera, uye achitora chikamu muhondo dzeDakar neGabon. Akakwidziridzwa kuva mukuru anobhururuka musi wa3 Nyamavhuvhu 1941. Grinnell-Milne akanga asingabvumirwi kubva RAF technically akasiya basa rake, kuchengeta wake chinzvimbo achibhururuka mukuru musi 20 July 1944. Pashure pacho akadzokera kuBBC, achigara ikoko kusvikira muna 1946. 