The four members of the Black Demon all arrived near the airport. Although it wasn't necessary for all of them to be there in person, they all went to watch the excitement when Satan launched the missile. As information gatherers and damage effect observers, the Black Demon couldn't possibly miss out.
Ballistic missiles are national heavy weapons, a major weapon, a trump card, but the higher their status, the less they can be used lightly.
Thus, in Soviet history, missiles were never put to practical use. After the collapse of the Soviet Union, Russia also never used ballistic missiles in actual combat.
