Persistent surveillance gives squadron its global purpose
Airmen assigned to the Technical Surveillance Squadron, Air Force Technical Applications Center, Patrick Air Force Base, Fla., monitor seismic activity throughout the world in direct support of AFTAC’s nuclear treaty monitoring mission. The center maintains a global network of nuclear event detection sensors called the U.S. Atomic Energy Detection System – the largest sensor network in the Air Force. (U.S. Air Force photo/William B. Belcher)