U.S. Air Force Gen. Terrence J. O’Shaughnessy, Pacific Air Forces commander, and Chief Master Sgt. Anthony Johnson, Pacific Air Forces command chief, meet with Soldiers with the 94th Army Air and Missile Defense Command’s Task Force Talon that maintain and operate the Terminal High Altitude Air Defense system Feb. 1, 2017, at Andersen Air Force Base, Guam. The primary purpose of the THAAD system is to defend against missile attacks. The system consists of a launcher, interceptors, fire control and communications equipment, and the AN/TPY-2 tracking radar. (U.S. Air Force photo by Airman 1st Class Jacob Skovo)