On 3 May at 01:30 in the half light of the Arctic summer nights, six Heinkel He 111 bombers of I. Gruppe, Kampfgeschwader 26, the Luftwaffes new torpedo bomber force, attacked the convoy, making the first German torpedo bomber attack of World War II [REF].
Deteriorating weather on 4 May prevented any German further attacks; an Arctic gale quickly turning into a snowstorm.