US faces munitions shortfall after Iran war. What happens now?

The United States is grappling with a shortage of munitions following its military campaign against Iran, contrary to President Donald Trump's claims of ample supplies. A mandatory report to Congress from the Defense Department's inspector general revealed that Operation Epic Fury (OEF), the US name for the joint campaign with Israel, incurred a cost of $33.4 billion between February 28 and June 30.

This expenditure included $22.3 billion on expended munitions, leading to strategic inventory shortfalls and bottlenecks in the production of munitions. To address these issues, the Pentagon is focused on streamlining procurement processes, reducing production lead times, and stockpiling critical materials and munitions. However, the report notes that expanding production capacities necessitates significant lead time.

The shortfall in ammunition is expected to concern allies like Ukraine and Taiwan, which rely on US-supplied weapons for defense against larger adversaries. Ukraine, in particular, is in dire need of more interceptor missiles for its Patriot air defense systems to combat Russia. President Trump has dismissed concerns about depleted weapon stocks, stating that the US possesses "virtually unlimited" ammunition and is producing more advanced weapons than ever before.

However, recent reports indicate shortages of long-range guided missiles and air-defense interceptors, with the US military having exhausted nearly 80% of its stock of THAAD interceptors. The conflict with Iran has resulted in the destruction of several aircraft, including four F-15 fighters, one F-35 fighter, seven KC-135 tanker aircraft, and up to 30 MQ-9 Reaper drones.

The US Navy's main logistics hub in Bahrain has also been targeted by Iranian strikes, causing damage or destruction to hundreds of buildings and structures at US bases in the Gulf region. As of June 30, seven US service members had been killed in action, and 417 were wounded during OEF combat operations. Despite the economic blockade and the ongoing conflict, the US insists that the Iran war is not a true war, and the economic ramifications continue to unfold.