Minelaying, Reconnaissance
15 Hampdens on the first R.A.F. minelaying operation of the war. 14 aircraft laid mines in sea lanes off Denmark between German ports and Norway. 1 Hampden lost. 8 Blenheims sent to patrol Wilhelmshaven area abandoned task.
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8 Blenheims to patrol Wilhelmshaven area abandoned task because of lack of cloud cover.
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28 Hampdens minelaying off Denmark, 2 lost.