Zaa ajụjụ a dị mgbagwoju anya: Olee ụdị ụgbọelu bụ́ nnukwu ụgbọelu na-atụ bọmbụ nwere injin anọ, bụ́ nke ndị agha United States ji mee ihe na nke mbụ ya n'afọ 1938, bụ́ nke e debere n'ọdụ ụgbọelu Conroe North Houston?
American Boeing B-17 Flying Fortress