The German 36th Mountain Corps moves through Lapland to cut the vital Murmansk Railroad to Leningrad. But under the midnight sun, it meets a foe even more difficult than the Red Army. Map 1: Finland 1940-41 The red area around Salla is the target for the 36th Mountain Corps.  Figure 1: Finnish soldiers moving through the Arctic forest on their way to the Murmansk railroad   Sources: David Glantz, Operation Barbarossa: Hitler's Invasion of Russia 1941. Stroud, Gloucestershire, UK: The History Press, 2011. David Stahel, Operation Barbarossa and Germany's Defeat in the East. Cambridge, UK: Cambridge University Press, 2009. Operation Silver Fox: The History of Nazi Germany's Arctic Invasion of the Soviet Union during World War II. Charles River Editors, 2016. Timeline of World War II (1941). Wikipedia. https://en.wikipedia.org/wiki/Timeline_of_World_War_II_(1941)