What is this aircraft, when was it produced and used and what was its role? What aircraft is this, when was it produced, used operationally, and what was its role?
It is a Tu-128.

In particular it seems to be the "UT" (training) variant:



Image source


  Full-scale production of the aircraft began in 1966, with 188 Tu-128s built to 1970, that total apparently including the prototype. Ten "Tu-128UT" trainers were built as well, with a new cockpit for a flight instructor fitted into a swollen nose.


Other info on wikipedia


  The Tupolev Tu-28 (NATO reporting name Fiddler) was a long-range interceptor aircraft introduced by the Soviet Union in the 1960s. The official designation was Tu-128, but this designation was less commonly used in the West.


[...]


  The Tu-128's only publicly reported combat operation was the destruction of NATO reconnaissance balloons. The aircraft remained in service until 1990.