Mission: The NGB J-4 serves as the primary advisor to the CNGB for all joint logistics matters to include, but not limited to, supply, maintenance, transportation, acquisition logistics, installation/facility and environmental issues. The mission of J-4 is to participate in joint matters at the strategic level with the Office of Secretary of Defense, Joint Chiefs of Staff, other Defense agencies, and the Combatant Commands in support of the National Security Strategy, the National Homeland Security Strategy, and other Department of Defense (DoD) strategies, guidance, directives, deliberate and crisis action plans, and contingency operations.