Where did all the money go if the US is running out of weapons?

"US Military's Arsenal Under Fire as Iran Conflict Exposes Worrying Shortages in Defense Stockpiles. As the US continues to escalate its military presence in the Middle East, a concerning trend has emerged: a severe shortage in its defense stockpiles. With the conflict in Iran putting a strain on the nation's military capabilities, experts are sounding the alarm about the implications of years of underinvestment in defense spending. The shortages, which have been exacerbated by the ongoing conflict, have raised questions about the effectiveness of the US military's arsenal and the long-term consequences of a decade-long trend of dwindling defense budgets."

The war on Iran is exposing shortages in US weapons stockpiles, raising questions about years of defence spending.