The Arsenal is a garrison for a number of tenants including the United States Army Materiel Command, Army's Aviation and Missile Command, the Missile Defense Agency of the Department of Defense, and NASA's Marshall Space Flight Center.  The AS-3 "Active Shooter" aerospace designed ballistics shields is an NIJ Level III shield, capable of stopping multiple AK-47 hits.  The AS-3 is extremely light weight, rugged and is easily manuverable.  VBC