NSD provides front line support for IT services, systems and operations. As the central point of contact for enterprise-class IT service support, outage notification, and information dissemination, the NSD supports over 400,000 VA and non-VA staff and operates 24 hours per day, 7 days per week, 365 days per year. The highly critical NSD operates throughout the VA as a virtual, geographically dispersed organization, providing VA users an immediate, first line of support for IT hardware, software and connectivity problems, and requests for new services.