The Officer Corps: Theory and Context -- Researching the Military in Mexico -- The Focus -- Some Working Hypotheses: The Theoretical Context -- The Historical Context -- Postrevolutionary Era of Military Leadership -- Civilian Adjustments to the Military Heritage -- 1968, Where Did it Lead? -- A Mirror Image: Professionalism and Values -- Professionalism -- Officer Values -- Attitudes toward Political Involvement -- Civilian Views of the Military -- Military Prestige in Civilian Eyes -- Citizen Views of Military Intervention -- Corrupting Influences -- Military-Civilian Interlocks -- Political Officeholding -- Other Civilian-Military Linkages -- Social and Kinship Ties -- Party and Electoral Activity -- Civic Action and Disaster Relief -- The National Security Role -- Officer Origins -- Political-Military Officer -- Regionalism and Class --Mustangs -- Regular Career (Orthodox Professional) Officers -- Education and Command -- Evolution of Formal Education in the Military -- Teaching in the Military --Heroico Colegio Militar -- Escuela Superior de Guerra -- Colegio de Defensa Nacional -- Training Abroad -- Making It to General -- Presidential Promotion Policies --Variables in Promotion -- The Cream of the Officer Corps -- Zone Commanders -- What Kind of Relationship? -- Graduates of the Heroico Colegio Militar and the Colegio del Aire in the Mexican Military Biography Project -- Graduates of the Escuela Superior de Guerra in the Mexican Military Biography Project -- Mexican Zone Commanders.