Research stations in Antarctica Meteorological Office, Ministry of Livestock and National Postal and Telegraphs Office. In 1906, Argentina communicated to the international community the establishment of a permanent base on South Orkney Islands. Little happened for the following forty years until the Second World War, when the British launched Operation Tabarin in 1943, to establish a presence on the continent. The chief reason was to establish solid British claims to various uninhabited islands and parts of Antarctica, reinforced by Argentine sympathies toward Germany. Prior to the start of the war, German aircraft had dropped markers with swastikas across Queen Maud Land in an attempt
Trondheim Airport, Jonsvatnet Trondheim Airport, Jonsvatnet Trondheim Airport, Jonsvatnet () was a water aerodrome located at Valset on the lake of Jonsvatnet in Trondheim, Norway. The airport was built as the first permanent airport serving Trondheim and initially was used for Norwegian Air Lines' (DNL) routes which commenced in 1935. Ahead of the 1936 season the airport was equipped with permanent installations, including wharfs and a small terminal building. In 1937 the airport was used by Widerøe, before DNL returned the following year. During World War II the airport was taken over by the Luftwaffe, which used the ice on the lake as