"It is the most technically advanced missile-defense system in the world," US Army Col. Alan Wiernicki, commander of the 11th Air Defense Artillery Brigade, told Business Insider in an interview.
"Combatant commanders and our allies know this, which puts our THAAD Batteries in very high global demand," Wiernicki added.
And that demand seems poised to rise.
http://www.businessinsider.com/top-missile-defense-systems-2016-8/#terminal-high-altitude-area-defense-aka-thaad-1
so much for those cheap Russian S 400 missiles....the tech probably was stolen from the American Industrial military Complex anyways. Obsolete but I heard they can shoot down Cessna single engine planes with no difficulties.