Scheduled for August 11 against Kokura, the raid was moved earlier by two days to avoid a five-day period of bad weather forecast to begin on August 10.
Serangan Kokura awalnya dijadwalkan pada 11 Agustus, lalu digeser dua hari lebih awal untuk menghindari lima hari prakiraan cuaca buruk mulai 10 Agustus.