Group 108 Tactical Defense SystemsThe Tactical Defense Systems Group works on air defense issues, in particular, air vehicle survivability, vulnerability of United States Air Force (USAF) aircraft to weapons systems, electronic countermeasures, and air surveillance for homeland defense. The group focuses on understanding USAF and threat air defense systems through tests and measurements. Test activities include flight, field, and laboratory testing of advanced sensor systems using state-of-the-a...