The Commandos, also known as the British Commandos, were formed during the Second World War in June 1940, following a request from Winston Churchill, for special forces that could carry out raids against German-occupied Europe. Initially drawn from within the British Army from soldiers who volunteered for the Special Service Brigade, the Commandos' ranks would eventually be filled by members of all branches of the British Armed Forces and a number of foreign volunteers from German-occupied countries. By the end of the war 25,000 men had passed through the Commando course at Achnacarry. This total includes not only the British volunteers, but volunteers from Greece, France, Belgium, Netherlands, Canada, Norway, Poland, and the United States Army Rangers and US Marine Corps Raiders, Portuguese Fuzileiros Portuguese Marine Corps were modelled on the Commandos.
Sweden maintained its policy of neutrality during World War II. When the war began on 1 September 1939, the fate of Sweden was unclear. But by a combination of its geopolitical location in the Scandinavian Peninsula, realpolitik maneuvering during an unpredictable course of events, and a dedicated military build-up after 1942, Sweden kept its official neutrality status throughout the war. At the outbreak of hostilities, Sweden had held a neutral stance in international relations for more than a century, since the end of the Napoleonic Wars in 1814 and the invasion of Norway.
The Norwegian heavy water sabotage was a series of Allied-led efforts to halt German heavy water production via hydroelectric plants in Nazi Germany-occupied Norway during World War II, involving both Norwegian commandos and Allied bombing raids. During the war, the Allies sought to inhibit the German development of nuclear weapons with the removal of heavy water and the destruction of heavy-water production plants. The Norwegian heavy water sabotage was aimed at the 60 MW Vemork power station at the Rjukan waterfall in Telemark.
Combined Operations Headquarters was a department of the British War Office set up during Second World War to harass the Germans on the European continent by means of raids carried out by use of combined naval and army forces.
Paul Nikolaus von Falkenhorst was a German general and war criminal during World War II. He planned and commanded the German invasion of Denmark and Norway in 1940, and was commander of German troops during the occupation of Norway from 1940 to 1944.
The 2nd Mountain Division was a Gebirgsjäger division of the German Army which served in World War II, mainly in the northernmost sector of the Eastern Front, near the Arctic. Formed in 1938, the division was disbanded at the end of the war in 1945.
The Axis leaders of World War II were important political and military figures during World War II. The Axis was established with the signing of the Tripartite Pact in 1940 and pursued a strongly militarist and nationalist ideology; with a policy of anti-communism. During the early phase of the war, puppet governments were established in their occupied nations. When the war ended, many of them faced trial for war crimes. The chief leaders were Adolf Hitler of Nazi Germany, Benito Mussolini of Fascist Italy, and Hirohito of Imperial Japan. Unlike what happened with the Allies, there was never a joint meeting of the main Axis heads of government, although Mussolini and Hitler met on a regular basis.
The 1st Special Service Brigade was a commando brigade of the British Army. Formed during the Second World War, it consisted of elements of the British Army and the Royal Marines. The brigade's component units saw action individually in Norway and the Dieppe Raid, before being combined under one commander for service in Normandy during Operation Overlord. On 6 December 1944, the Brigade was redesignated 1st Commando Brigade, removing the title Special Service and its association with the German SS.
No. 7 Commando was a unit of the British Commandos and part of the British Army during the Second World War. The commando was formed in August 1940 in the United Kingdom. No. 7 Commando was transferred to the Middle East as part of Layforce. Committed to the Battle of Crete, it suffered heavy casualties, after which it was disbanded.
Operation Weserübung was the invasion of Denmark and Norway by Nazi Germany during the Second World War and the opening operation of the Norwegian Campaign.
No. 10 (Inter-Allied) Commando was a commando unit of the British Army during the Second World War, recruited largely from non-British personnel from German-occupied Europe. This unit was used to help co-ordinate attacks with other allied forces.
Hans "Kyllingen" Storhaug, MM, DSM was a Norwegian resistance member during World War II, especially noted for his role in the heavy water sabotage 1942–1943, and for his participation in the SOE operation Grebe and Grebe Red in Østerdalen 1943–1945.
— German plan to withdraw from northern Finland prior to the Lapland War 
— Finnish plan to destroy railroad tracks to deny the Soviets their supplies.
— Proposed combined German and Finnish attack against Kandalaksha and Belomorsk 
