210 Halifaxes from 408, 415, 420, 424, 425, 426, 427, 429, 431, 432, 433, and 434 squadrons were joined by 40 Lancasters from 419 and 428 squadrons on an attack of troop positions at Calais. The crews were over the target at between 3,000 and 10,000 feet, releasing 2,778,000 lbs of high explosives. According to reports, there was cloud over the target and bombing was hampered. 

P/O W. Tunis from 408 squadron did not bomb, there was too much cloud and smoke over the target. 

F/Sgt W. Lane from 415 squadron returned early as the bomb sight was u/s. 

F/O W. Osborn from 419 squadron had the port inner go u/s on return. They landed safely at Westcott on 3 engines. 

F/Lt J. Partridge from 424 was hit by flak, not serious. 

F/O J. Marcotte from 425 squadron did not bomb as they could not identify the target because of smoke and dust. 

F/O S. Simmons and P/O N. Becker from 426 squadron did not bomb as they could not identify the target because of smoke and dust. 

F/O W. Tynan and F/O A. Carter from 428 squadron were hit by flak, not serious. 
F/O D. Berry was hit by flak, there were holes in the port wing, flaps and dinghy. The mid upper gunner, P/O J. Patterson RCAF was also injured. They landed safely at Tangmere. 

F/Lt S. Mitchell from 429 squadron returned early as the bomb sight was u/s. 
F/O H. Hogarth had the port outer go u/s after takeoff. They bombed and returned safely to base on 3 engines. 

F/O S. McKellar from 433 squadron did not bomb as the load hung up over the target.