Title: Trevozhnoe nebo
Subjects: Biography, Estonian Personal narratives, Military Air pilots, Russia (1923-     U.S.S.R.)., Russia (1923- U.S.S.R.). Voenno-Vozdushaye sily, Soviet Aerial operations, World War, 1939-1945, Russia (1923- U.S.S.R.). Voenno-Vozdushnye sily, Russia (1923- U.S.S.R.).
Places: Soviet Union
People: Endel Puusep