Rangarira ndima iri pasi apa uye ipapo pindura mubvunzo gare gare mumutauro mumwe chetewo sechikamu:  Passage: Muna 1934, United States Army Air Corps yakabudisa chikumbiro chebhomba raiva nomutoro webhomba wakapetwa kaviri uye nharaunda yeMartin B-10, iyo yakanga ichangopinda mubasa sebhomba rakajairika reMasoja. Mukunzvera paWright Field gore rakatevera racho, Douglas akaratidza DB-1 yayo. Yakakwikwidzana neBoeing Model 299 (yakazogadziridzwa kuva Boeing B-17 Flying Fortress) uye Martin Model 146.  Mubvunzo: Ndiani aiva mukwikwidzi wavo?
Boeing Model 299 (yakazokudziridzwa kuva Boeing B-17 Flying Fortress) uye Martin Model 146