==World War II==Stationed on the border with France, Bär achieved his first victory—a Curtiss P-36 Hawk—on 25 September 1939 during the Phoney War air skirmishes with the "Armée de l'Air" (French air force), earning him the Iron Cross 2nd Class on 27 September 1939.
/ Jagdgeschwader 135", enoto iz katere je nastal kasneje znani polk Jagdgeschwader 51 »Molders« (krajša oznaka "JG 51"), kjer je navadno letel na okornem dvomotorniku Junkers Ju 86.