CREATE TABLE table_825 ("Aircraft type" TEXT, "National Origin" TEXT, "1st Flight" FLOAT, "In Service" TEXT, "Retired" TEXT, "# built" TEXT)

What is the origin of aircraft in service in 1943 and retired in 1954?
SELECT "National Origin" FROM table_825 WHERE "Retired" = '1954' AND "In Service" = '1943'
SELECT "National Origin" FROM "table_825" WHERE "In Service" = '1943' AND "Retired" = '1954'