In March 1939, when Czechoslovakia ceased to exist and was occupied by Wehrmacht, Czechoslovakian air force consisted from six aviation regiments. Only one of them, though, was located in Slovakia – Aviation Regiment 3, bearing name of Aviation General Milan Rastislav Štefánik.

Sweden was among the first countries to see the value of military aviation, acquiring their first reconnaissance monoplanes in 1912. The Swedish Air Force, the Flygvapnet, was officially founded on the 1st of July 1926.