Space shuttle "Spiral"

In accordance to the quinquenal plan of the air forces, the project of a 2 stage launcher plane began in 1965 and was entrusted to OKB-155 A.I.Mikojan whose chief of the engineering and design department was Lozino Lozinsky (55 years). The project received the name of SPIRAL and was to prepare the Soviet Union to the war in space.

This is not exact copy of the model, rathe it is my impression.