BREST
104 aircraft - 39 Hampdens, 38 Wellingtons, 27 Whitleys - to bomb the 3 German warships now at Brest. Many bombs fell in the dock area but there were no hits on the ships. No aircraft lost.
9 Hampdens minelaying in Quiberon Bay. None lost.
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BREMERHAVEN
25 Blenheims to Bremerhaven and north-west Germany but 19 turned back. 1 aircraft sank a trawler and 1 aircraft bombed Ijmuiden docks. 1 aircraft lost.
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DÜSSELDORF
92 Wellingtons and 6 Stirlings; haze prevented accurate bombing. 6 Wellingtons lost.
DUISBURG
80 aircraft - 36 Whitleys, 35 Hampdens, 9 Halifaxes. 8/10ths cloud over target but good bombing reported. 1 Whitley lost.
There are no reports from the two main targets but Cologne reports bombs from aircraft which were either mistaking Cologne for the correct target or using it as an alternative. The main railway station was hit by 7 bombs and much damage was caused. Dock areas, a wagon works and 173 houses were also damaged. 14 people were killed and 36 injured. Because of its position just outside the main defences and industrial haze of the Ruhr, Cologne was always likely to be attacked in this way.
BOULOGNE
24 Wellingtons and 5 Whitleys; 1 of each type lost.
Minor Operations: 2 Wellingtons to Rotterdam, 20 Hampdens minelaying in Kiel Bay and the Frisians, 12 O.T.U. sorties. 1 minelaying Hampden lost.
Total effort for the night: 241 sorties, 10 aircraft (4.1 percent) lost.