<Tr> <Th> Branch </Th> <Td> United States Army </Td> </Tr> <Tr> <Th> Motto (s) </Th> <Td> "Experientia et Progressus" </Td> </Tr> <P> The Army Medical Department of the U.S. Army (AMEDD), formerly the Army Medical Service (AMS), encompasses the Army's six medical Special Branches (or "Corps"). It was established as the "Army Hospital" in July 1775 to coordinate the medical care required by the Continental Army during the Revolutionary War . The AMEDD is led by the Surgeon General of the U.S. Army, a lieutenant general . </P> <P> The AMEDD is the U.S. Army's healthcare organization (as opposed to an Army Command), and is present in the Active Army, the U.S. Army Reserve, and the Army National Guard components . It is headquartered at Fort Sam Houston, San Antonio, Texas, which hosts the AMEDD Center and School (AMEDDC&S). Large numbers of AMEDD senior leaders can also be found in the Washington D.C. area, divided between the Pentagon and the Walter Reed National Military Medical Center (WRNMMC). </P>

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