This is the modern age. GPS has been around for a long time now. Even if that didn’t work, believe it or not a pilot’s cell phone will tell him EXACTLY where he is with the locator in it, google maps or with ATT Navigator.
It is inexcusable to be in a restricted airspace especially if our president is known to be in the local area.
A liberal zealot could easily get one to fly a small Cessna into the area while he shot a rifle into Air Force-1.
My commercial GPS goes tits up around some airports. I figured it’s meant to do that.