It is independent of Ebola. The military fire bullets and break things. They are not a world health organization. This is way outside their scope and another Obama tactic to wussify the military.
Actually the military, primarily the United States Army, is deeply involved in disease and WHO, it was the Army that led such research and operations before agencies came along that could help them, The Army is deeply involved in research and seeking cures for Sars and Ebola, and has been involved in all Ebola outbreaks.