U fiirso qoraalka hoose ka dibna ka jawaab su'aasha kadib isla luqadda qoraalka:  Passage: Sanadkii 1934, Ciidanka Cirka ee Maraykanka ayaa dalbaday in la soo saaro diyaarad bambaano ah oo laba jeer ka badan xamuulka iyo baaxadda Martin B-10, oo kaliya loo adeegsanayo duulimaadyada caadiga ah ee Ciidanka. Qiimeynta ka dhacday garoonka Wright Field sanadkii xigay, Douglas wuxuu muujiyey DB-1. Waxay la tartantay Boeing Model 299 (oo markii dambe loo sameeyay Boeing B-17 Flying Fortress) iyo Martin Model 146.  S: Yaa ahaa tartamayaashooda?
Boeing Model 299 (oo markii dambe loo sameeyay Boeing B-17 Flying Fortress) iyo Martin Model 146