COLOGNE/KALK
470 aircraft - 356 Halifaxes, 93 Lancasters, 21 Mosquitoes - of 4, 6 and 8 Groups to attack the area in which the Kalk-Nord railway yards were situated. 1 Halifax and 1 Lancaster lost.
The presence of cloud caused difficulties for the Pathfinders and the outcome of the raid could not be observed. But the local report shows that the Kalk-Nord yards, as well as the 2 passenger stations near by, were severely damaged. At least 2 ammunition trains blew up. Nearby Autobahnen were also badly damaged, all adding to the effect upon the German transportation system. Bombing which fell around the railway targets destroyed 116 houses, 3 industrial premises, 5 police or postal buildings, 2 schools and 2 churches. 24 people were killed.
HOUFFALIZE
154 Lancasters and 12 Mosquitoes of 5 Group attacked a German supply bottleneck in a narrow valley at Houffalize. The results of the raid are not known. 1 Lancaster crashed in France.
Minor Operations: 68 Mosquitoes to Hannover, 9 to Bochum and 8 to Duisburg, 32 R.C.M. sorties, 36 Mosquito patrols, 11 Lancasters minelaying off Heligoland, 21 aircraft on Resistance operations. No aircraft lost.
Total effort for the night: 821 sorties, 3 aircraft (0.4 percent) lost.
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VOHWINKEL
155 Lancasters of 3 Group carried out a G-H raid on the railway yards at Vohwinkel, near Solingen. A strong wind carried much of the bombing south of the target. 83 people were killed and 97 were injured in Solingen but no other details are available. 2 Lancasters lost.
OSLO
12 Mosquitoes of 627 Squadron, 5 Group, set out to bomb the Gestapo Headquarters in Oslo. 8 aircraft actually bombed, in 2 waves, and hits were believed to have been scored. No aircraft lost.