Title: The other R.A.F
Subjects: Union of Soviet Socialist Republics. Voenno-vozdushnye sily, Soviet Union, Soviet Union. Raboche-Krestʹi︠a︡nskai︠a︡ Krasnai︠a︡ Armii︠a︡. Voenno-Vozdushnye Sily, Union of Soviet Socialist Republics