US and Japan push for ban on nuclear weapons in space with UN security council resolution

You're really expecting a source for this type of thing as if a leak wouldn't have the unavoidable side effect of escalating things beyond anyone's control.

The evidence are the decisions made by every major power across the last century. The various leaks already made public show that the those able to do it are also willing to do it.

You see all the bad things done so far and yet think to yourself, of course they wouldn't do this? Really.