Defense Intelligence Agency. The Defense Intelligence Agency (DIA) is a United States federal agency under the Department of Defense, which serves as the country's main foreign military espionage organization.
As one of the principal members of the U.S. Intelligence Community (IC), the agency works to inform national civilian and defense policymakers about the military intentions and capabilities of foreign governments and non-state actors, while also providing department-level intelligence assistance and coordination to individual military service intelligence components and the warfighter.[3] The agency's role encompasses collection and analysis of defense-related foreign political, economic, industrial, geographic, and medical and health intelligence.[4] As part of its national IC responsibilities, DIA regularly provides input for the President's Daily Brief. The nuclear information project: dia assessment of chinese nuclear weapons. DIA Assessment of Chinese Nuclear Forces In April 1984, the U.S.
Defense Intelligence Agency (DIA) published a secret Defense Estimative Brief on nuclear weapons systems in China. The brief was produced by DIA's China/Far East Division and provided a general overview of the number of Chinese nuclear weapons and gave detailed estimates for the number of Chinese nuclear warheads at the time as well a projections for 1989 and 1994. Committed to Excellence in Defense of the Nation.