Air Defense Electronic Warfare Facility provides a quick-reaction capability for the implementation of electronic warfare (EW) techniques to ensure that all elements of the EW threat required for the vulnerability assessment process are addressed. The facility provides a wide range of R&D ECM devices that support air defense EW vulnerability investigations including PATRIOT, THAAD, and Stinger. In addition, support has been provided to other activities including anti-tank systems such as Javelin. The facility supports a wide variety of special purpose equipment, including airborne and ground-based RF jammers, EOCM equipment, passive RFCM equipment, and state-of-the-art field measurement systems. The facility developed, operates, and maintains 112 airborne RF EW systems, 19 airborne EO devices, and a wide variety of ground-based EW emulators and target simulators.