I think (dont know) that a nuclear exchange will be the perfect cover for the rapture.
as the missiles are coming down, we will be going up.
There will be no way for anyone to confirm that christians all disappeared at once.
The delusion will be strong for those left behind.
Everyone will know what happened when it happens; He will call like a trumpet to announce and call His Elect.
Shades of Joel Rosenberg’s book I think?