EntityQ4244115· pop 7· linked from 40 articlesEngineering Division TP-1Sign in to saveAmerican fighter aircraftConnectionsLiberty L-12EntityUnited StatesCountryInternational Standard Book NumberEntitymachine gunEntityfighter aircraftEntitymetric horsepowerEntityV12EntityBristol F.2 FighterEntityUnited States Army Air CorpsEntityAirco DH.4EntityAirco DH.9Entityaerospace manufacturerEntityLUSACEntityUnited States Army Air ServiceEntitylist of military aircraft of the United StatesEntityFokker C.IVEntityPeter M. BowersEntityAlbert William StevensEntityBoeing Model 42EntityVCPEntityCategories1920s United States fighter aircraftAircraft with fixed conventional landing gearBiplanesEngineering Division aircraftSingle-engined piston aircraftSingle-engined tractor aircraft