Michalek was born 17 June 1913, in
Vienna, then the capital of Austria-Hungary. Mickalek was attached to the Austrian Air Force in 1935 as a
Leutnant in an anti-aircraft regiment. After the
Anschluss in March 1938, he became a member of
Jagdgeschwader 138 (JG 138—138th Fighter Wing), in the German Luftwaffe. In March 1938, the Luftwaffe initiated the formation of a single
Gruppe (group) at
Wien-Aspern Airfield. On 1 April, this unit became the newly formed I.
Gruppe (1st group) of JG 138 also referred to as the "
Wiener-Jagdgruppe" ("Vienna fighter group"), largely staffed with former Austrian Air Force personnel. On 1 November, the
Gruppe was re-designated and became I.
Gruppe of
Jagdgeschwader 134 (JG 134—134th Fighter Wing), and again renamed on 1 May 1939, becoming the I.
Gruppe of
Jagdgeschwader 76 (JG 76—76th Fighter Wing). Initially equipped with the
Fiat CR.32 while 3.
Staffel received the
Messerschmitt Bf 109 B. At the start of World War II, Michalek was serving in
Jagdgeschwader 52. ==World War II==