Cuba was considered as an object of exploration since the inception of the project A-12, but for the first time, the bird Kelly Johnson crossed the island of Liberty only in 1978. The crews of the 9th wing worked out flights over Cuba for many years; routine training flight passed on a route: Bill — air space above Atlantic — a turn of a course on a Gulf of Mexico — passage along coast of Cuba — space over Gulf — further through states of Texas, New Mexico, Arizona, Nevada — the house, on airbase Bill. It took 3.5-4 hours to get through the giant loop.
The reason for the SR-71 invasion directly into Cuban airspace was the information received from space reconnaissance means about the unloading of MiG-23 fighters in the port of Havana. The Americans suspected that Castro had received not only interceptors but also fighter-bombers MiG-23BN or MiG-27, capable of carrying nuclear weapons. Appearance of strike aircraft in Cuba violated the agreement between Kennedy and Khrushchev to preve
