Aircraft design thumb|upright|Tupolev (right) with the crew of the ANT-25 aircraft at the Shchyolkovo airfield in 1936. Photo by Mikhail Kalashnikov.
Aircraft design thumb|upright|Tupolev (right) with the crew of the ANT-25 aircraft at the Shchyolkovo airfield in 1936. Photo by Mikhail Kalashnikov