Being under the influence of energy drinks, alcohol and history, I create this nonsense of a gray mare. My brains are too tired of wild vira, smerds and fire-burning tywuns.
So behold the Soviet aces who flew to intercept the B-29, and somehow miraculously found themselves in the turbulent Equestria.

In 1938, a portal opened in the Soviet Union to a previously unexplored land by none of the people. After some time, an agreement on mutually beneficial cooperation was concluded between the USSR and Equestria. Now the Red Army troops are stationed on the territory of Equestria.
Chkalov, a test pilot, is going on this business trip.