I would imagine this might generate some heated discussion. Let's see. Thomas Bruscino, the author of A Nation Forged in War: How World War II Taught Americans to Get Along, discusses "on war art and the meaning of war" in his The New Criterion piece “The New Old Lie”.
... Since the critics hold on to their utopian progressivism with a religious fervor, such an assessment would cause a crisis in faith, so it is exceedingly unlikely for them to undertake it. It is much easier, after all, to call war meaningless butchery, and dismiss all other views as sentimental propaganda—mere entertainment for the uninformed masses.
If the country is an ideal, and the ideal is just, then Horace had it right: Dulce et decorum est pro patria mori. To say that this is never true, to insist that war is always meaningless, is not art. It is the new old lie, and an ugly one at that...