#platoon  a military unit that is a subdivision of a company; usually has a headquarters and two or more squads; usually commanded by a lieutenant
  supertype:  army_unit  a military unit that is part of an army
  member of:  company.army_unit  small military unit; usually two or three platoons
     member of:  battle_group  an army unit usually consisting of five companies
        member of:  division.army_unit  an army unit large enough to sustain combat; "two infantry divisions were held in reserve"
           member of:  corps__corp  an army unit usually consisting of two or more divisions
              member of:  regular_army__regulararmy__army  an organization of military land forces
     member of:  battalion  an army unit usually consisting of a headquarters and three or more companies
        member of:  regiment  army unit smaller than a division

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