GERMANY, BELGIUM AND FRANCE
78 aircraft - 36 Hampdens, 30 Wellingtons, 12 Whitleys - carried out widespread attacks on German troop communications in France and Belgium and on railway and industrial targets in Germany. 2 Whitleys lost.
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BAPAUME-ARRAS ROAD
47 Blenheims attacked the German armoured thrust which was threatening to encircle the B.E.F. from the south. An R.A.F. fighter escort was provided and German fighters did not intervene. No Blenheims lost.
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NORTHERN FRANCE
92 aircraft - 32 Wellingtons, 24 Whitleys, 18 Hampdens, 18 Blenheims - were dispatched in an attempt to delay the new German breakthrough. The Blenheim contribution was an experiment in night operations for this type of aircraft, an attempt to avoid the heavy day casualties. 77 aircraft bombed a variety of targets. 3 Whitleys and 1 Wellington lost.