Pentagon History Textbook On JFK and Vietnam, Transfer of Power in JFK Assassination Debate Posted June 7, 2013 " SAC was targeting Soviet nuclear missiles for destruction. In the Fall of 1962 after the Cuban Missile Crisis Kennedy made a pass at changing this and cutting missile production. I think Douglas has some details on this. The next year McNamara changed targeting to cities and ended any possibility of carrying out what was termed a "coercive" nuclear strike. When I say JCS in this reply I mean as a body - I have the impression that not all individual members of the JCS held extreme views during the entire JFK presidency, but I think it was dominated by those that did" Here you mention SAC and then JCS and the likely possibility that there were some differences within the JCS. You have probably encountered, as I have, some descriptions of SAC autonomy as far as first strike capability, even independently of JCS. Have you and have tried to find out what the real relationship (as opposed to paper relationship ) between JCS and SAC was. One source on SAC autonomy was, if I recall Richard Rhodes book Dark Sun. Also James Carrolls book House of War. Others too I will try to track them down. Of course this is not an easy question, because neither of these organizations sends out e-mails to middle aged social studies teachers.