along with total gamma dose and residual gamma dose environments. In addition, they employ the Fast Burst Reactor to simulate a neutron radiation environment like that of a fission weapon. They also house the largest pulsed CO2 laser in the United States, used for providing tactical threat environments for weapons systems. Their other facilities produce electromagnetic environmental effects, lightning strike characteristics, and semi-conductor characterizations. SVAD also operates the High Energy Laser System Test Facility (HELSTF) designed to support high energy laser technology programs. Information management operations The Information Management Directorate manages and operates the information and communications resources at White Sands Missile Range. They are responsible for processing raw mission data that has been collected, providing distributed test network support, overseeing off-Range safari of instrumentation, and providing imaging and media production services . In addition, they manage telecommunication tasks and implement Army assurance programs. Systems engineering operations The Systems Engineering Directorate develops data collection instrumentation and associated technology. They conduct planning, concept formulation, research and development, and systems engineering, development, integration and acquisition, along with field testing and life cycle support used for testing and evaluation of weapons systems. The instrumentation they have developed is used in support of many functional areas including radar, telemetry, and optical support; graphical displays, directed energy, data processing, storage and transmission; networks, control systems and counter Improvised Explosive devices (IED). References White Sands Missile Range