Player Embed Code: Download Embed Share FTT-18 THAAD Flight Test Video Missile Defense Agency July 11, 2017 | 2:25 The U.S. Missile Defense Agency (MDA), the Ballistic Missile Defense System Operational Test Agency, and U.S. Army soldiers of the 11th Air Defense Artillery Brigade from Fort Bliss, Texas, conducted an intercept test today of the Terminal High Altitude Area Defense (THAAD) element of the nation’s ballistic missile defense system. See https://www.mda.mil for more information.