Denmark and Norway 1940: Hitler's boldest operation

On 9 April 1940, German forces invaded Denmark, and then Norway, in an attempt to secure the vital mineral resources of Scandinavia for their war industry. This assault, Operation Weserübung, represents the first joint air-land-and-sea campaign in the history of warfare, and was the only such campaign planned, launched, and completed by the three services of the Wehrmacht. It also included the use of the rarest of German armoured vehicles, the Naubaufahrzeug NbFz.A/B (PzKw V/VI) experimenta...