The United States Military Is Not Currently Designed For Continuous Fighting.
Why? Up until 2014, our defense contractors work building missiles in a way that maximized their profits but slowed down productivity . At best, we can sustain projectile-based fighting (offense and defense) for about a week . Also, a lot of the military budget is spent on Tricare . Our stockpiles has been depleted (see also the above link) in other combat operations and replenishment is both costly and time-consuming (as in: would take years to replenish ). All an opponent of the US Military has to do is survive the initial attack, kinda like:
