With U.S. forces endlessly fighting ill-begotten wars, whether in Vietnam in the 1960s or in Iraq and Afghanistan four decades later, it’s easy to lose sight of where the Pentagon continues to maintain a truly winning record: right here in the U.S.A. Today, whatever’s happening on the country’s distant battlefields, the idea that ever more inflated military spending is an investment in making America great again reigns supreme — as it has, with little interruption, since the 1980s and the era of President Ronald Reagan.