Soviet TB-3RN heavy bomber from 52-th Guards Regiment. This is one of the last working models of TB-3 – the plane is out of date before the start of the Great Patriotic War, was officially withdrawn from service in 1939, but was used until 1945 (as transport aircraft).
TB-3RN is a modification of the high-altitude bomber TB-3. In this modification, the engines were installed AM 34RN, four-blade
