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Military Is About to Run Out of Ammunition Thanks to Trump’s Iran War
April 21, 2026
Posted 6 hours ago by
The U.S. has significantly depleted its missile reserve during its war with Iran, sparking concerns that the military could be caught empty-handed if another conflict arises in the next few years.The Pentagon has used at least 45 percent of its Precision Strike Missile stockpile, at least half of its THAAD missiles, and nearly 50 percent of its Patriot air defense interceptor missiles, according to a report published Tuesday by the Center for Strategic and International Studies.The number of missiles that remain are expected to be enough to continue the war in Iran, even if peace negotiations fall apart, but they are too diminished to thwart another major world power, such as China.“The high munitions expenditures have created a window of increased vulnerability in the western Pacific,” Mark Cancian, a retired U.S.

Marine Corps Colonel and a CSIS report author, told CNN. “It will take one to four years to replenish these inventories and several years after that to expand them to where they need to be.”Chief Pentagon spokesman Sean Parnell told CNN that the military “has everything it needs to execute at the time and place of the President’s choosing.”“Since President Trump took office, we have executed multiple successful operations across combatant commands while ensuring the U.S. military possesses a deep arsenal of capabilities to protect our people and our interests,” Parnell said.The war with Iran is currently in its seventh week, but Defense Department officials first raised concerns about America’s missile supply more than a month ago. In a closed-door meeting with lawmakers on March 3, Defense Secretary Pete Hegseth and Chairman of the Joint Chiefs of Staff General Dan Caine reportedly said that Iran’s Shahed attack drones had proved a more difficult problem than initially predicted. One source told CNN in early March that the U.S. has been “burning” through long-range precision-guided missiles in order to fend off the drones.Shortly afterward, European Union defense officials warned that the U.S. would no longer be capable of supplying missiles to its allies amid the war with Iran, stressing that the continent would need to develop its own missile manufacturing sector in order to adequately fill its supply without Washington’s help.But the reality has not aligned with the White House’s rhetoric. Donald Trump has repeatedly claimed that the U.S. has a “virtually unlimited” supply of missiles, capable of attacking Iran “forever.” Nonetheless, his administration has placed orders with private contractors in order to replenish America’s stockpiles, though some weapons reserves are expected to take years before they return to prewar levels.
The New Republic
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