Huh, invisible shields?
>Many protective measures you never knew were there…
>Level 10 Projectile resistant optical polycarbonate multilayered shielding.
https://twitter.com/POTUS_Schedule/status/1067924001970892800
>Does anyone know of this ever being done for our TRUE POTUS???
Vaguely recall something similar.. in dubs era
Apparently been around awhile
Transparent Aluminum