Office of the Assistant Secretary of Defense for Health Affairs

The Office of the Assistant Secretary of Defense for Health Affairs (OASD(HA)) is chartered under the Department of Defense (DoD) Directive 5136.01 and is the principal staff element for all DoD health and force health protection policies, programs, and activities, and for the Integrated Disability Evaluation System. The OASD(HA) is responsible for the effective execution of the DoD medical mission, providing and maintaining readiness for medical services and support to members of the Military Services, including during military operations; their families; those held in the control of the Military Services; and others entitled to or eligible for DoD medical care and benefits, including those under TRICARE.