Military Health System
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![The Surgeon at Work at the Rear During an Engagement, 1862](/Images/godic/202501/27/The_Surgeon_at_Work_at_the_Rear_During_an_Engagement3325.jpg")
![](/Images/godic/202501/27/United_States_Department_of_Defense_Seal.svg3325.png")
The Military Health System is the enterprise within the United States Department of Defense that provides health care to active duty and retired U.S. Military personnel and their dependents. Its mission is to provide health support for the full range of military operations and sustain the health of all who are entrusted to MHS care.