12 Bostons bombed ships in Boulogne harbour but scored no hits, 5 Mosquitoes flew to Germany but only Bremerhaven was bombed. 1 Mosquito lost.
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DUISBURG
207 aircraft of 6 types. 8 aircraft - 5 Wellingtons, 2 Halifaxes, 1 Stirling - lost, 3.9 percent of the force.
Cloud and haze were present and the bombing was not concentrated. But Duisburg reports its heaviest raid to date, with 114 buildings destroyed and 316 seriously damaged; 86 people were killed.
Minor Operations: 9 aircraft minelaying off Heligoland and in the Frisians, 5 aircraft on leaflet flights. No losses.