Should the United States military be building an army that is technologically smart, small, and hyper-effective, or should it be pumping out twentieth-century bullets, artillery, and tanks in overwhelming numbers? In his article "The Gates of Gaza," Hudson Senior Fellow Michael Doran argues that the wars in Ukraine and Gaza should demonstrate to Israel and the US that, contrary to popular opinion, modern wars are just as slow, big, and resource heavy as they’ve ever been. A hybrid Mad Max–style industrial base will be needed to win modern wars.