 Nyorera kupfuurira kweiyi ndima - Kwenguva pfupi, kubva pana January 6, 1937, Tinker akabatira muchikwata chebhomba rakapfava, achibhururuka mabhomba eBreguet 19 akare kare. Kubva January 23, iye, pamwe nevamwe vatyairi veAmerica, akapiwa kuti murwi chikwata, 1st Escuadrilla de Chatos akarayira Andrés García La Calle, achibhururuka Soviet Polikarpov I-15 Chato biplanes. Muna 1937, akabhururuka mishoni dzakawanda dzokurwisana neFascist Falange air forces, kazhinji achirwisana nemaGermany nemaItaly. Chikwata ichi chakatanga kushanda musi wa 10 Kukadzi, uye chakabatanidzwa muhondo yeGuadalajara. Pana March 14, Tinker akapfura ndege yake yokutanga, Fiat CR.32 yehondo yeItaly, yakateverwa neimwe CR.32 pana March 20. Musi waApril 17, akapfura pasi Heinkel He 51 yehondo yeGermany kubva kuLegion Condor pamusoro peTeruel. 