Bomber Command raid - night of 3/4 May 1940

10 Hampdens minelaying off Norwegian and German coasts. 2 Wellingtons sent to patrol seaplane bases were recalled. No losses.

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Minelaying, Seaplane Base Patrols
5 Hampdens laid mines in Oslo Fjord. 4 Whitleys patrolled German seaplane bases and ports. No losses.