A 3,000 mile long trail of diffuse atmospheric radioactive contamination produced by the white-hot nuclear powered solid-state scramjet engine, followed by a crash of the spent nuclear fuel into Kamchatka. The crash site will have to be off-limits for millennia, increasingly leaching into the groundwater there with every rain storm and blowing about every dry season.
That is the "control room" for the entire country when in conflict, not for the missile itself. Thankfully they aren't in a direct war where it needs to be filled.