With tensions mounting on the Korean Peninsula, the US focusing on force multipliers in the region, and President Donald Trump showing a resolve to confront tyrants (as his missile strike against in Syria demonstrated), we hear North Korean leader Kim Jong Un’s bravado.

Pyongyang’s “Incredible Bulk” claims he is “not frightened” by Trump and that “full-scale war” will result from any US action.

Such comments are unsurprising from one whose sole military experience involved occasionally wearing a uniform, once as a child and later while being groomed for a leadership role by his father. Doubtful too is that Kim has been briefed by his military concerning its abysmal performance against the U.S. years earlier in the only known US-North Korean air combat encounters to occur after the Korean War.

Before sharing those, let us examine some of what a full-scale confrontation with North Korea might involve.

One word to aptly describe it is “short.” Basically, in addition to cyber warfare, five other threat fronts would be involved. While three of them would be very short-lived, the remaining two could prove to be relatively longer. Duration would also be a factor of who fires first.

The threats involved include:

But the North does possess one capability drawing our Pentagon’s attention: nuclear weapons. Pyongyang could dispatch an innocent-looking commercial vessel, operating just off our coast, from which to launch a hidden missile armed with a nuclear warhead and programmed for high altitude detonation. This would create an Electro-magnetic Pulse (EMP) wave capable of destroying large parts of our electric grid system. It is estimated that such an attack, while not inflicting high casualties initially, could eventually result in 200 million American deaths by disrupting life as we know it. Alternatively, Pyongyang could engage Iran’s help to have its terrorist proxy Hezbollah, which is very active south of our borders, to smuggle a nuclear device into the US for later detonation.

What Kim’s military may not have shared with him is its performance during the Vietnam war after Pyongyang pressed Hanoi to allow it to send a squadron of pilots to engage American pilots. Although reluctant to do so, Hanoi eventually agreed. However, two months later, Hanoi sent the surviving North Korean pilots packing. The North Koreans, flying North Vietnamese planes, performed poorly. Every North Korean pilot engaging a US plane was shot down. Today, in Bac Giang Province, just outside Hanoi, are 14 obelisks marking the gravesites of those North Korean pilots failing to make it home.

While lacking all concern for human life, Kim would be well advised to study US fighting capabilities and North Korea’s lack thereof before putting his military at risk, for his own survival depends upon it. He needs to spend less time expanding his girth and more expanding his military knowledge!