Olee ụdị ụgbọelu bụ ụgbọelu nwere njin anọ nke na-atụ bọmbụ, nke mbụ e ji mee ihe na 1938 maka ndị agha United States, nke a na-edebe n'ọdụ ụgbọelu Conroe North Houston Regional Airport?
American Boeing B-17 Flying Fortress