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

The ongoing conflict involving Iran is revealing deficiencies in United States weapons stockpiles. This situation is prompting scrutiny of the substantial defense expenditures made over recent years. The article suggests that the current demands of the conflict are highlighting a depletion of available weaponry. Consequently, questions are being raised about the effectiveness and allocation of past defense budgets in light of these revealed shortages.