Comparative trials were nevertheless held at Mailly-le-Camp, Meppen, Bourges and Satory between five French and five German prototypes between August and October 1963, under Italian, Dutch, Belgian and American supervision.
Unatoč tome usporedna testiranja su održana u Mailly-le-Campu, Meppenu, Bourgesu i Satoryu između 5 francuskih i 5 njemačkih prototipova u vremenu od kolovoza do listopada 1963. pod talijanskim, nizozemskim, belgijskim i američkim nadzorom.