Title: Ikh pozvalo nebo
Subjects: Borisoglebskoe vysshee voennoe aviat︠s︡ionnoe krasnoznamennoe uchilishche letchikov imeni V.P. Chkalova, History, Borisoglebskoe vysshee voennoe aviat͡sionnoe krasnoznammennoe uchilishche letchikov imeni V.P. Chkalova