No. of Recommendations: 3
If you want to intercept a ballistic missile, the best point to do so is at the apogee, at the top of the flight path. The shortest route for an interceptor to get to an apogee is from directly below the apogee.
That’s where Greenland is.
That's one aspect of a "national security" strategy (and a debatable one at that per Steve's post).
Another aspect of "national security" strategy that seems to be overlooked by our right-wingers is the nature of our relationships with other countries. If we can minimize the number of our enemies and maximize the number (and quality) of our friends/allies, that also greatly enhances our national security.
We have pursued that strategy quite successfully I would say at least since WWII (in my admittedly limited knowledge of political history). At least I can say that as a kid growing up in the 70's, I had a constant low level fear of a nuclear war occurring. Then the world order seemed to progress to a more stable place where I stopped worrying about it. Until Trump's first term, when my old constant fear surfaced again. Thankfully, his first term passed without it, and I thought we had dodged that bullet. Now, with all the world and domestic turmoil occurring in Trump's second term, we seem to have flushed that strategy down the toilet and I'm not even sure I would say that I have a "fear" of nuclear war so much as a "resignation". I don't doubt that he would love to flex his "muscle" of our nuclear weapons, because as a bully that's the kind of thing he likes to do. And it would put his name in the history books for sure, in an even bigger way than will already happen.
Character matters, if your aim is to try to make the world a better place.
But if your aim is to accumulate as much wealth and power as possible, then character goes out the window. And yes, if you know that you're going to be pissing off a lot of people/countries in the process and having them turn against you, then you'd better accumulate as much territory and military bases and hardware and energy resources like oil as you can before they start shooting missiles at you. But you'll then have to live in constant fear of someone trying to take them away from you.