URFT DAM
233 Lancasters of 5 Group and 5 Mosquitoes of 8 Group. Hits were scored on the dam but no breach was made. 1 Lancaster lost.
OSTERFELD
150 Lancasters of 3 Group on G-H raids through cloud on the railway yards (98 aircraft) and on the benzol plant (52 aircraft). The bombing appeared to be accurate, 1 Lancaster lost.
DUISBURG
80 Mosquitoes of 8 Group on Oboe-leader raids to a coking plant (48 aircraft) and to the Meiderich benzol plant. Most of the bombing on the benzol plant and approximately half on the coking plant appeared to be accurate. No aircraft lost.
Total effort for the day: 468 sorties, 2 aircraft (0.4 percent) lost.
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MOSQUITO OPERATIONS
38 Mosquitoes to Hannover, 28 to Hamburg, 9 to Schwerte, 8 to Bielefeld and 6 to Duisburg. 1 aircraft lost from the Hamburg raid.