No, your post did not address NORAD's capabilities. In fact, you've gotten them wrong. For starters, you said:
The reality is different. To begin with, the network of ground-based radars, "sensors" (whatever that means), and fighter jets was oriented towards intercepting threats originating from outside the continental US. There was (and to the best of my knowledge, still isn't) and fully active, full, border to border system of primary radar.
http://www.airborneinternet.com/AI6.htm
In areas where there's no primary radar coverage, once a transponder gets shut off, there's simply no return. That jet is lost. In the case of American Airlines Flight 77, for example, that was actually the working assumption of the Indianapolis air traffic control when it disappeared from their scopes. They first thought it was a malfunction, then when the pilots didn't respond, they assumed it was a crash. No one outside the airplane knew AA77 was heading towards the Pentagon until it was finally picked up on primary radar minutes before it hit.
Gumboot here in this forum has written extensively about NORAD's response that day. Here's a very relevant post:
Expecting that jets shutting down their transponders initiates an immediate military response is drawing a conclusion ignorant of the facts. That's not the way things worked prior to 9/11. Besides which, why is there the assumption that a transponder shutdown would concern the military to begin with? A track that originates from outside the US and which never had a transponder signal would of course be of concern, but a track that had a transponder signal but then lost it would be assumed to be first a malfunction, or, in the event that the pilots didn't respond to ATC prompting, a crash. Neither of those cases would elicit a military response. Why should they, especially in the face of transponder malfunctions being assumed well before anything else?
If you know the technology, why don't you understand the difference between primary and secondary radar coverage, and why do you assume that once the transponder signal is lost that a military response is initiated? Why do you also assume that alert fighters are immediately available? Back in your day, when the Cold War was in full swing, maybe, but in 2001, the number of such was drastically reduced. Remember, for example, that Andrews AFB did not have any fighters on any sort of alert status at all. On September 11th, NORAD had a grand total of seven bases on alert status, and as noted before, they were oriented towards threats coming in from outside the US borders. Not problems originating over US territory.
You may be aware of the radar techonology that existed back then, but you've demonstrated that you're not at all aware of the protocols between the FAA and NEADS during 9/11. You really,
really need to read at minimum the Vanity Fair link I provided, which interviewed ATC and military personnel that were actually involved in the response that day. You keep on pushing mistakes that people in the military should know better than to make, especially in regards to the protocol of intercepts. Again, please read the available information, and try to gain an understanding of what actually happened that day. Pushing the conspiracy line with links to nothing but conspiratorial sites doesn't cut it.