When looking at the ongoing war in Ukraine, it may be considered in some ways as a “new war” — an unconventional battle largely distant from the established concept of warfare.

But in reality, while the conflict comprises many unconventional factors, it can be regarded as a conventional war in the sense that large-scale violence will determine how the battle ends.

The issue can be looked at from three perspectives — technology, nonmilitary means and the form of warfare — and in the course of this, the issue of what lessons Japan can learn from the war in terms of national security can be examined.