One interesting tangent to those explosions, is the "double flash" that happens due to the physics of the shell heating rapidly, then obscuring the explosion, t

One interesting tangent to those explosions, is the "double flash" that happens due to the physics of the shell heating rapidly, then obscuring the explosion, then being outrun by the contents. Even when nations conspire in secret, such explosions can be detected from space.[1] [1] https://en.wikipedia.org/wiki/Vela_incident https://en.wikipedia.org/wiki/Vela_incident