I./ZG 76 relocated to the Stuttgart area on 29 September 1939 to defend the western border against the French and British, who had been at war with Germany since 3 September 1939.
Operacija je tako narekovala hkratne napade na Poljsko s treh smeri: severa, zahoda in juga, pri čemer bi se napadi pričeli ob 04:45 1. septembra 1939.