 The committee recommended stopping reconnaissance flights to Peenemünde, to avoid alerting the Germans,

At 10 Downing St on 15 July, the Chiefs of Staff, Herbert Morrison, Lindemann and Churchill examined the bombing plan and ordered an attack as soon as the moon and weather permitted.For accuracy, the raid was to take place during a full moon and the bombers would have to fly at instead of the normal altitude of .Peenemünde was around from the closest British airbase, was spread over a wide area and was protected by smoke screens.