EntityQ3850109· pop 5· linked from 7 articlesMartin 146Sign in to saveAmerican bomber designConnectionsR-1820EntityMartin XB-16EntityUnited StatesCountryInternational Standard Book NumberEntitymachine gunEntityBoeing B-17 Flying FortressEntityTitanEntityMartin B-26 MarauderEntityMartin MariettaCompanyGlenn L. Martin CompanyEntityDouglas B-18 BoloEntityflapEntityBrowning Arms CompanyCompanyUnited States Army Air CorpsEntityMartin Marietta X-24EntityMartin B-10EntityMartin B-57 CanberraEntitypower-to-weight ratioEntityaerospace manufacturerEntityMartin MarylandEntityCategories1930s United States bomber aircraftAircraft first flown in 1935Martin aircraftMid-wing aircraftTwin piston-engined tractor aircraft