Practice alongside other civilian and military health care professionals at locations across the U.S. and around the world and experience the unique professional opportunities* and benefits that can be found with the Defense Health Agency. The U.S. Defense Health Agency (DHA) is comprised of civilian health care professionals employed by the U.S. Government. DHA employees serve our country by caring for military service members but are not subject to military requirements such as "boot camp," military uniforms, or deployment. *U.S. Citizenship Required