For all we know that is a contingency. DoD is relatively public and transparent, but they don't reveal everything. If that was a contingency, it would just pla

For all we know that is a contingency. DoD is relatively public and transparent, but they don't reveal everything. If that was a contingency, it would just play into the the whole cyber/information/electronic/space domains aspects of the whole "multi-domain" stuff. Surely both China and the US have contingencies in place to try to determine if the opposing side is exploiting their PNT systems, and then figure out ways to subvert that in various ways.