"1943"^^ . . . "Base"@en . . . . "None"@en . "X6 (December 1943 \u2013 October 1945)" . "None" . . "1945"^^ . "--12-01"^^ . . . . . . "No. 290 Squadron RAF was a Royal Air Force Squadron formed as an anti-aircraft cooperation unit in World War II."@en . "None" . . "United Kingdom"@en . . . "No. 290 Squadron RAF"@en . . . . . "23"^^ . . . "None"@en . . . "No. 290 Squadron RAF"@en . . "2504"^^ . . . . . . . . . "post 1950 aircraft insignia"@en . "No. 290 Squadron RAF was a Royal Air Force Squadron formed as an anti-aircraft cooperation unit in World War II."@en . . . . "" . . . . . . . . . . "X6"@en . . . . "Squadron Code"@en . . . . . . "No. 290 Squadron RAF"@en . . . . "787177487"^^ . . "Squadron Badge"@en . "30643724"^^ . . . . . . . .