Unless, of course, you're in the business of selling arms. Big ticket items. Which, if course, the US Gov't is.
In war, you either get rich or you get dead. I guess the there are those in the US Gov't who would rather be rich.
Different pie. U.S. defense contractors sell arms, the government just buys them with our money, and then uses more of our money to give gifts to both sides of the conflict. John Q. Taxpayer never makes a thing, he just finances all of it.