The US military industry is designed to soak up money without producing much of anything. Once they run through the existing stockpiles of ammunition, new ones can't be produced at the rate they’re being consumed. For example, from 2008 to present, Lockheed Martin was able to produce 800 missiles, around 50 a year. https://armyrecognition.com/news/army-news/2023/lockheed-martin-announces-delivery-of-800th-thaad-interceptor-missile-system