Tribal Nations Training Week is an annual event held at the Center for Domestic Preparedness and is the largest training of its type in the Department of Homeland Security. It is typically attended by over 300 tribal leaders, emergency managers and responders from across the nation. As in previous years, the 2025 event will offer training in a variety of areas, including emergency management, hazardous materials, and healthcare as well as speakers who will address a wide range of topics of interest to tribal nations.