The National Defense University (NDU) is an institution of higher education funded by the United States Department of Defense, intended to facilitate high-level training, education, and the development of national security strategy.
National Defense University (Det Nationale Forsvarsuniversitet; NDU) er en institution for videregående uddannelse finansieret af United States Department of Defense, og har til formål at fremme træning på højt niveau, uddannelse og udvikling af strategi indenfor national sikkerhed.