The U.S. has used nearly all of its global stockpile of long-range precision missiles during the war with Iran, two sources with direct knowledge of the matter tell CBS News.

Specifically, the U.S. has used virtually all of its Army Tactical Missile Systems, known as ATACMS, and Precision Strike Missiles, the sources said. Reuters was first to report that the U.S. had used "virtually all" of its long-range precision missiles during Operation Epic Fury.

CBS News has previously reported that the U.S. has dwindling stockpiles of defensive interceptors and long-range missiles, which has become a pressure point within the administration, and that the U.S. cannot sustain the rate at which it expended precision munitions early in the war with Iran.

U.S. officials said there are limited inventories of the ATACMS and Precision Strike Missiles, and that the most pressing concern involves the number of Patriot and Terminal High Altitude Area Defense (THAAD) interceptors, which have been used faster than the industry can replace them.

A July report from the Center for Strategic and International Studies estimated that before the war began, the U.S. had 2,330 Patriots, and at the end of July, was down to between 759 and 827 of them. The report also estimated that before the war, the U.S. had 452 THAAD interceptors, and as of July 27, was down to between 234 and 278. Another recent CSIS report estimates it could take until at least mid-2029 to return to pre-war inventory levels for both.

Chief Pentagon spokesperson Sean Parnell said in a statement to CBS News: "America's military is the most powerful in the world and has everything it needs to execute at the time and place of the President's choosing. 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."

Defense Secretary Pete Hegseth has previously dismissed concerns about the U.S. stockpile.

"That is a manufactured story that the media wants to peddle and ultimately our stockpiles are great, and they're only getting stronger," Hegseth said on "Face the Nation with Margaret Brennan" on June 14.

U.S. strikes on Iran are paused again so that diplomacy efforts can continue over the Strait of Hormuz, according to President Trump. But the president is still threatening to resume large-scale attacks on Iran if U.S. terms are not met.

"I want to give them every last chance before decapitation," the president said in the Oval Office Monday.

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