Sustained fire from lines of patriots at the border would eliminate the needs for the trials
Roger that.
Take the “hottest” traffic segments and designate a 2mi wide strip a U.S. Military Ordnance Proving Ground with sections allocated for everything from air-to-surface missiles, bombs, guided bombs, aircraft strafing runs, artillery rounds — the whole gamut. Keep them “lit up” at very irregular and unannounced intervals several times weekly.