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The facility was constructed by and will be operated by Posiva, a company owned by the two existing producers of nuclear power in Finland, Fortum and TVO. (Fennovoima, a company which was planning its first nuclear reactor, is not a stockholder of Posiva.) The facility's constructions plans are divided into four phases: [citation needed]
The Salpa Line (Finnish: Salpalinja, literally Latch line; Swedish: Salpalinjen), or its official name, Suomen Salpa (Finland's Latch), is a bunker line on the eastern border of Finland. It was built in 1940–1941 during the Interim Peace between the Winter War and the Continuation War and further in 1944 to defend Finland against a possible ...
The second construction phase started on 1 April 1934, with Fabritius in command of the construction work. He designed two new kinds of bunker, Ink 1 and Ink 2. The bunkers were mainly designed for troop accommodation, but loopholes were crafted into armour plate in 1938 and 1939. A bunker was typically 15–20 meters in length and 5–6 meters ...
Finland's plan to establish the world's first underground nuclear waste disposal tool a step forward on Tuesday when its builder Posiva announced a 500-million-euro ($569.55 million) investment in ...
The hidden structures were abandoned after the war and eventually forgotten, archaeologists said.
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A second underground hangar was built in 1947 at Södertörn Wing (F 18). [10] After that plans were finalized for building underground hangars capable of surviving close hits by tactical nuclear weapons. This required that these new hangars be much deeper, with 25 to 30 meters of rock cover, and heavy-duty blast doors in concrete. [11]
Crystal City in Arlington County, Virginia, an underground city. An underground city is a series of linked subterranean spaces that may provide a defensive refuge; a place for living, working or shopping; a transit system; mausolea; wine or storage cellars; cisterns or drainage channels; or several of these. Underground cities may be currently ...