Nyorai kupfuurira kweiyi ndima - Akaberekerwa muSchrimm mudunhu rePosen, Wilcke akazvipira nokuda kwebasa rechiuto mu "Reichswehr" yeTatu Reich muna 1934. Pakutanga achishumira mu"Heer" (Mauto), akachinjirwa kuLufthansa (Air Force) muna 1935. Kutevera kudzidziswa kubhururuka, akaiswa ku "Jagdgeschwader" "Richthofen" (Fighter Wing "Richthofen") muna Kubvumbi 1936. Pashure pebasa somudzidzisi wemutyairi wehondo akazvipira nokuda kwebasa neCondor Legion munguva yeHondo yeHurumende yeSpain mukutanga kwa1939. Pashure pokudzoka kwake achibva kuSpain, akagadzwa kuva "Staffelkapitän" (mutungamiri weboka) we7. "Staffel" (7th squadron) ye "Jagdgeschwader" 53 (JG 53<unk>53rd Fighter Wing). Kutevera kutanga kweHondo Yenyika II, akawana kukunda kwake kwekutanga mumhepo musi wa7 Mbudzi 1939. Musi waMay 18, 1940, panguva yeHondo yeFrance, akapfurwa ndokuitwa musungwa wehondo. Pashure pokunge hondo yapera neFrance
, akadzoka kubva kuutapwa uye akagadzwa "Gruppenkommandeur" (group commander) weIII. "Gruppe" (boka rechitatu) reJG 53 panguva yeHondo yeBritain, ichiti yakunda 10 kukunda England.