The Weapons Safety Division (SEW) establishes and defines Department of the Air Force nuclear surety and safety policy for the development and operational use of all nuclear, conventional and directed energy (DE) weapons systems. The division oversees the DAF Nuclear Weapons Surety Program, delegated from the secretary of the Air Force and chief of staff of the Air Force. The division provides nuclear, conventional and directed energy weapons systems safety design certification, Hazard of Electromagnetic Radiation to Ordnance certification, DAF explosives safety standards, explosive siting reviews, weapons safety consultation and Federal Department of Agriculture waivers for DE systems. The division ensures application of corrective actions and mishap inclusion to the Air Force Safety Automated System for weapon-related mishaps. The division also performs radiation safety oversight, explosives hazard classifications, mishap prevention programs, mishap investigation, and staff assistance in its areas of responsibility. The division leadership chairs several multi-agency boards performing safety oversight for all nuclear, conventional and DE (laser and radio-frequency) weapons.