DISA is a combat support agency of the Department of Defense (DoD). The agency is composed of more than 19,000 civilian employees, active-duty military personnel, and defense contractors. The agency provides, operates, and assures command and control and information-sharing capabilities and a globally accessible enterprise information infrastructure in direct support to joint warfighters, national level leaders, and other mission and coalition partners across the full spectrum of military operations. https://www.disa.mil/About/Our-Work.