Until the message got to London at 16:15 the squadron joined the 5th fleet of minesweepers Kriegsmarine, commanded by Lieutenant-Commander Rudolf Lello. The task of the fleet was clearing minefields on the way repetition 'Bismarck' and 'Prince Eugen' in the Kattegat. May 20, at sunset, 'Bismarck' and 'Prinz Eugen' in the squadron were already leaving the Skagerrak Strait, at the time of passage near Kristiansand Norway, they were seen Vigo Akselsenom partisan. Akselsen was able to report on the British ships seen in Skagerakke. … In the night of 20 May 21 ships headed north and followed in Norway to wait time in the fjords near Bergen.

At 9:00 am the squadron reached the coast of Norway. 'Bismarck' cast anchor in Grimstadtforde and 'Prinz Eugen' was followed by further and gave the anchor in the bay Kalvanes. Supply vessels cast anchor along the sides of battleships and cruisers – human shield in case of a torpedo attack air. Once only the English got the message from Stockholm and the Norwegian partisans, the British Admiralty immediately ordered the strengthening of air reconnaissance in the designated area of possible occurrence German ships. At 11:00 the British Command of coastal defense from the airport in Scotland in the reconnaissance mission was sent to a fighter-reconnaissance-type 'Spitfire', which was piloted by Lt.

Michael Zacklin. At 13:15, flying of Bergen, at an altitude of 8,000 m, Zacklin found the German ships at anchor. Upon returning to the base intelligence officer, the first data were immediately transferred to the command of the British fleet.