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Operation Constellation was the name of one of a number of missions proposed by Vice Admiral Lord Louis Mountbatten in 1943 to take back the Channel Islands from German occupation during World War II. It was never mounted. The other missions were Operation Condor, Operation Concertina, and Operation Coverlet.
Between 1940 and 1945, the Channel Islands were the only British territory to come under Nazi occupation. On these islands were entrenched almost 40,000 German soldiers, sailors and airmen, behind fortifications that had consumed more than 10% of the concrete used in the Atlantic Wall which stretched from Norway to the Pyrenees.
In 1943, British Chief of Combined Operations, Vice-Admiral Lord Louis Mountbatten proposed Operation Constellation, an offensive against the Channel Islands, Operation Concertina, an offensive against Alderney, Operation Coverlet, the offensive against Guernsey, and Operation Condor, the offensive against Jersey. He suggested that:
In 1941, the Channel Islands, captured without opposition in July 1940 were turned into fortresses, never to be surrendered. These developments had been observed by Mountbatten through aerial reconnaissance. Mountbatten commented:
"Prior action" meant either naval bombardment or aerial bombing. Although most defences were on or near the coast, the inaccuracies of bombing or shelling had the potential to pulverise two thirds of Guernsey's land surface, and at least half of Jersey's. Because of the likely substantial civilian casualties from this bombardment, the extreme difficulty and likely casualties of invasion even after heavy bombardment, and the very limited use of the islands for the Allies, the operations were shelved.
The German garrison of the islands was by-passed with Operation Overlord, the liberation of mainland Europe, and eventually surrendered as part of the general German surrender on 9 May 1945, a day later than the rest of Europe and in the case of Alderney, on 16 May 1945.
The Channel Islands are an archipelago in the English Channel, off the French coast of Normandy. They are divided into two Crown Dependencies: the Bailiwick of Jersey, which is the largest of the islands; and the Bailiwick of Guernsey, consisting of Guernsey, Alderney, Sark, Herm and some smaller islands. Historically, they are the remnants of the Duchy of Normandy. Although they are not part of the United Kingdom, the UK is responsible for the defence and international relations of the islands as it is for the other Crown Dependency, the Isle of Man, and the British Overseas Territories. The Crown Dependencies are neither members of the Commonwealth of Nations, nor part of the European Union. They have a total population of about 171,916, and the bailiwicks' capitals, Saint Helier and Saint Peter Port, have populations of 33,500 and 18,207 respectively.
The Atlantic Wall was an extensive system of coastal defences and fortifications built by Nazi Germany between 1942 and 1944 along the coast of continental Europe and Scandinavia as a defence against an anticipated Allied invasion of Nazi-occupied Europe from the United Kingdom, during World War II. The manning and operation of the Atlantic Wall was administratively overseen by the German Army, with some support from Luftwaffe ground forces. The Kriegsmarine maintained a separate coastal defence network, organised into a number of sea defence zones.
Alderney is the northernmost of the inhabited Channel Islands. It is part of the Bailiwick of Guernsey, a British Crown dependency. It is 3 miles (5 km) long and 1+1⁄2 miles (2.4 km) wide.
Carpet bombing, also known as saturation bombing, is a large area bombardment done in a progressive manner to inflict damage in every part of a selected area of land. The phrase evokes the image of explosions completely covering an area, in the same way that a carpet covers a floor. Carpet bombing is usually achieved by dropping many unguided bombs.
World War II (1939–1945) involved sustained strategic bombing of railways, harbours, cities, workers' and civilian housing, and industrial districts in enemy territory. Strategic bombing as a military strategy is distinct both from close air support of ground forces and from tactical air power. During World War II, many military strategists of air power believed that air forces could win major victories by attacking industrial and political infrastructure, rather than purely military targets. Strategic bombing often involved bombing areas inhabited by civilians, and some campaigns were deliberately designed to target civilian populations in order to terrorize them and disrupt their usual activities. International law at the outset of World War II did not specifically forbid the aerial bombardment of cities – despite the prior occurrence of such bombing during World War I (1914–1918), the Spanish Civil War (1936–1939), and the Second Sino-Japanese War (1937–1945).
The siege of Warsaw in 1939 was fought between the Polish Warsaw Army garrisoned and entrenched in Warsaw and the invading German Army.
St Anne or Saint Anne is the capital and the main town of Alderney in the Channel Islands.
The military occupation of the Channel Islands by Nazi Germany lasted for most of the Second World War, from 30 June 1940 until liberation on 9 May 1945. The Bailiwick of Jersey and Bailiwick of Guernsey are British Crown dependencies in the English Channel, near the coast of Normandy. The Channel Islands were the only de jure part of the British Empire in Europe to be occupied by Nazi Germany during the war. Germany's allies Italy and Japan also occupied British territories in Africa and Asia, respectively.
The first postal service took place using mail sent with captains of packet ships, using agents in the England and in the islands for the end delivery. The cost was normally 3d. The first pillar boxes in Britain were introduced in the Channel Islands as an experiment in 1852, to collect mail for the Royal Mail packet boats. The oldest pillar box in use in the British Isles is in Guernsey.
The Royal Guernsey Militia has a history dating back 800 years. Always loyal to the British Crown, the men were unpaid volunteers whose wish was to defend the Island of Guernsey from foreign invaders.
During the German occupation of the Channel Islands, there was limited resistance. The islands had a very high number of German soldiers compared to the civilian population, one soldier for every 2-3 civilians, which reduced options; this linked to the severe penalties imposed by the occupiers meant that only forms of non-lethal resistance were used by the population. Even so, over twenty civilians died for resistance against the occupiers.
After the Wehrmacht occupied the Channel Islands on 30 June 1940, they assessed the existing defences to determine if they would be of use. The Germans found the Islands' fortifications antiquated and woefully inadequate for modern warfare.
The Soviet invasion of South Sakhalin, also known as the Battle of Sakhalin, was the Soviet invasion of the Japanese portion of Sakhalin Island known as Karafuto Prefecture. The invasion was part of the Soviet–Japanese War, a minor campaign in the Asian Theatre during Second World War.
Apart from a Roman Fort, there were very few fortifications in Alderney until the mid 19th century. These were then modified and updated in the mid 20th Century by Germans during the occupation period. Alderney at 8 km2 is now one of the most fortified places in the world.
The evacuation of civilians from the Channel Islands in 1940 was an organised, partial, nautical evacuation of Crown dependencies in the Channel Islands, primarily from Jersey, Guernsey, and Alderney to Great Britain during World War II. The evacuation occurred in phases, starting with school aged children, their teachers, and mother volunteers. The islands and the British military began the evacuation following the Allies' loss in the Battle of France, after which the British Army withdrew from the islands.
The Channel Islands, Crown Dependencies of the United Kingdom, were occupied during the Second World War by Nazi Germany, from 30 June 1940 until May 1945. They were liberated by British forces following the general German surrender.
The Batterie Mirus is located in Saint Peter and Saint Saviour, Guernsey. Originally called Batterie Nina, it comprised four 30.5 cm guns. The battery was constructed from November 1941 and through the first half of 1942, and was the largest battery in the Channel Islands, the guns having a maximum range of 51 km. Although the guns were removed in the early 1950s, the reinforced concrete structures and associated positions remain intact.
During the five-year German occupation of the Channel Islands civilian life became much more difficult. During that time, the Channel Islanders had to live under and obey the laws of Nazi Germany and work with their occupiers in order to survive and reduce the impact of occupation. Given no guidance on how to behave by the British government, there were individuals who got close to the enemy and others who undertook resistance activities.
Tabb, Peter A Peculiar Occupation, New Perspectives on Hitler's Channel Islands (May 2005)