The most expensive Czech movie so far. The most expensive scene from total budget of 8 milion USD is where British Spitfire attacks German train. It cost more than the whole Oscar-winning Sverak's movie Kolya (Kolja).
The film's closing epilogue states: "By the year 1951 all the Czechoslovak RAF airmen were released from the labor camps. But they remained outcasts for most of their lives. It was only in 1991 that the survivors were rehabilitated and recognized for their wartime service."