In 1964, for a variant of Tu -138 with the radar , " Thunderstorm " , and later - in relation to arm the Tu -148 interceptor missile developed K-100 (item 52 ) to arm promising modification of the Tu-128 with radar tornado -100. Provides for the application of combined guidance system - remote control on the main segment of the flight and homing on the target . Work out and combined tepploradiolokatsionnaya GOS. Missiles provided to place on the inside of the suspension , so posted by the scheme canard wing K-100 was performed in a small extension . To achieve the range, an order of magnitude higher than achieved in the K-80 was elaborated several variants of missiles , including a two-step with a batch arrangement of the two accelerators. However, the level of onboard electronics of the time clearly did not provide a solution to the tasks and work gradually subsided .
By the end of decades of work on further development of long-range air- intercept missile systems were based on a combination of advanced Tupolev planes with radar Zaslon and K-33 missiles , destined for the MiG- 25MP - the future of the MiG -31.
The scale of deployment of the Tu -128 were relatively modest - have been released only 188 interceptors and 10 training aircraft , which determined the relatively small volume of production of missiles , an order of magnitude in comparison with more massive samples.
In the early eighties when a person's weapons of MiG -31 is already outdated Tu -128 missile- family R-4 were removed from service. A decade later, this process was completed the liquidation of all machines, except for the first series , presented in conjunction with models of rockets in the collection of the Air Force in Monino.
An important result of the development of K-80 was successful solution defeats the purpose of the forward hemisphere , which was soon extended to a massive rocket - K-98 and others. In addition, unlike other missile systems that limit the maneuvering capabilities of carriers, K-80 gave an initially fighting properties fighter Bomber Tupolev aircraft.