The USD(I&S):

Principal Staff Assistant and Advisor to the Secretary of Defense and the Deputy Secretary of Defense on intelligence, counterintelligence, security, sensitive activities, and other intelligence-related matters.

Exercises the Secretary of Defense’s authority, direction, and control over the Defense Agencies and DoD Field Activities that are defense intelligence, counterintelligence, or security components

Exercises planning, policy, and strategic oversight over all DoD intelligence, counterintelligence, and security policy, plans, and programs.

Under Secretary of Defense
for Intelligence & Security

The Honorable Ronald S. Moultrie was sworn in as Under Secretary of Defense for Intelligence and Security (USDI&S) on June 1, 2021.

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Deputy Under Secretary of Defense
for Intelligence & Security

The Honorable Milancy Harris serves as the Deputy Under Secretary of Defense for Intelligence and Security (DUSD(I&S)).

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