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jaibi; you are correct in what you write, and the underlined part is absolutely accurate. Just to add to the context of it; McArthur wanted to use 'Nukes' in Korea. He (like most Military men) was taken up so much with the (perceived) "magical qualities" of Nuclear Weapons, he saw it as a strategic panacea. While Truman; who in fact had authorised the use of A-Bombs in Nagasaki and Hiroshima ruled out their use. And McArthur paid for his continuing obduracy and obstinacy by losing his job as a "Five-Star General", he just got sacked. That is how the 'chain of command' was and remains in any fully functional state!
Only in a dysfunctional state, do the "khakis" get "whole and sole" control over the nuclear trigger. With potentially disastrous consequences for their countries.
There is a good and sound reason for setting up this kind of chain of command, where the civilian leadership gets primacy in the decision making chain. The civilain leadership is (usually) elected, therefore they have a certain accountability to the populations of their countries. The Uniformed Lot do not carry such accountability. There they are both prone and are likely to use war and all its weapons thereof in far more indiscriminate fashion without thinking of the consequences thereof. History is replete with instances of Generals who would not hesitate to use any or all means to either overcome or conceal their poor 'Generalship' or lack of Strategic Thinking. Our nighborhood (and your country) has living examples of that. One is Gen. Musharraff. Now imagine handing over the "nuke-trigger" to a particularly "gung-ho" General. For any (perceived) personal glory or otherwise even may set off "Armageddon".
Which is why the saying goes:
"War is too serious a business, to be left to the Generals alone"
Whenever this dictum has been breached, whole Nations have suffered. For you 1965 or 1999 is living proof of that.
That is simply the point that Nassr is incapable of understanding, for reason that only he may know.
Anyway saner minds like you exist, thankfully; so the idiotic jingoes are kept at bay.