This operation called for simultaneous attacks on Poland from three directions, the north, the west and the south, beginning at 04:45 on the early morning of 1 September 1939.
Lent, ki je letel z Bf 110 (z oznako M8-DH), je ob 04:44 odletel z letališča Ohlau, da bi spremljal bombnike Heinkel He 111 na njihovi misiji nad Krakovom.