Schoolchildren in Leningrad, 1950s.
It was built in 1960 by the design bureau named after V. M. Myasischev. This modification of 3M had a better equipment, VD-7B engines, longer and more pointed nose part with a boom of a fuel receiving device at its end, wider wings. The aircraft was first demostrated in the airport of Domodedovo, Moscow in July, 1967. NATO code – Bison-C.