Prototype B-17 conversion to bomber escort gunship
Key Facts
Abbreviation
YB-40
Pronunciation
/ˈproʊtoʊˌtaɪp bi 17 kənˈvərʒən tɪ ˈbɑmər ˈɛskɔrt ˈgənˌʃɪp/
Category
Governmental
Related Field
Military