Operation Trondheim

(Norwegian city)

This was the German ground forces’ movement across the Albert Canal in Belgium against the fortress of Eben-Emael to relieve Oberleutnant Rudolf Witzig’s ‘Granit’ detachment of Hauptmann Walter Koch’s Fallschirmjäger-Sturmabteilung ‘Koch’, which had landed on the fortress in gliders and taken then it (9/10 May 1940).