One of the most important social issues is covered in the Military Armed Forces directoryof the Society Issues category inside the Society and  Culture catalog..
      Here you can learn every detail about the army beginning with the history up to the conditions of entry. Just choose one of the links and read the information provided. Formation, development, present state, problems and achievements are described in numerous articles devoted to infantry, marines, navy, air forces, etc. If you fell a patriot, you can obtain every detail of entering and serving. If you a veteran, you can find all the addresses of the institutions that may be helpful for you (e.g. Veterans' Employment and Training Service) in Falmouth, MA and Boston area.