The U.S. and Israeli strikes on Iran have raised concerns among Democrats and others about diminishing American stockpiles of certain weapons, illustrating a longstanding production problem that some experts say could present challenges if another conflict emerges.The Trump administration has repeatedly said American forces have all the weapons they need to fight the Iran war, now in its second week. President Donald Trump posted Friday on social media that several defense contractors had agreed to quadruple production of weapons “as rapidly as possible,” although he did not detail the specific systems being manufactured.Questions about the nation’s weapons stockpiles have grown as the U.S. campaign against Iran escalates, with many Democratic lawmakers arguing that Trump is waging a “war of choice.” Missile defense systems are under the most strain, according to experts, with Patriot and Terminal High Altitude Area Defense, or THAAD, interceptors in high demand in Ukraine and Israel, respectively.“I’m not particularly worried about us actually running out during this conflict,” said Ryan Brobst, a scholar focused on U.S. defense strategy at the Foundation for Defense of Democracies. “It’s about deterring China and Russia the day after this conflict is over.”The U.S. is using both systems to take down Iranian missiles fired in retaliation for the American and Israeli attacks, but U.S. officials have said they are struggling to stop waves of drones launched by the Islamic Republic and that they are bringing in an American anti-drone system proven to work against Russian drones in Ukraine. The system, known as Merops, also is cheaper than firing a missile that costs hundreds of thousands of dollars at a drone that costs less than $50,000.Pentagon says the military has ‘everything it needs’Sean Parnell, the Pentagon’s chief spokesman, said in a statement that the U.S. military “has everything it needs to execute any mission at the time and place of the President’s choosing and on any timeline.”Defense contractor Lockheed Martin posted on X late Friday that it had agreed to “quadruple critical munitions production” and “began this work months ago.” Trump and Lockheed did not offer a timetable of when the production increases would reach their target.Some Democratic lawmakers, meanwhile, have questioned the long-term impact on the U.S. and its allies.“We’ve been told again and again and again one reason that we can’t provide interceptors for the Patriot system or other munitions for Ukraine is that they’re in short supply,” Sen. Richard Blumenthal, D-Conn., told CNN on Thursday.Sen. Mark Warner, D-Va., told reporters that American supplies are dwindling after the military fought the Houthi rebels in Yemen and engaged in more recent conflicts under the Republican administration. The top Democrat on the Senate Intelligence Committee did not specify what type of munitions he was referring to.“Our munitions are low. That’s public knowledge,” Warner said. “It will require additional funding, funding where we have other domestic needs as well.”Already in high demandSupplies of defense interceptors are the most taxed, said Brobst, who is deputy director of the Center on Military and Political Power at the Foundation for Defense of Democracies, a hawkish Washington think tank.The THAAD system is designed for defeating medium-range ballistic missiles, while the Patriot system is for taking down short-range ballistic missiles and crewed aircraft. About 25% of the entire THAAD stockpile was estimated to be used defending Israel from Iran’s ballistic missiles in the 12-day war with Iran last summer, Brobst said.“These were already in very high demand and we had not procured enough before the conflict,” Brobst said. “And now we’ve probably used, between the two of them, probably several hundred more.”The exact number of U.S. THAAD and Patriot systems is classified, with administration officials and Democratic lawmakers declining to offer details.Demand for interceptors is likely falling as the U.S. and its allies take out Iran’s weapons’ capabilities, Brobst said. Gen. Dan Caine, chairman of the Joint Chiefs of Staff, told reporters this week that the number of ballistic missiles fired by Iran was down by 86% from the war’s first day.Other munitions in demand include cruise missiles and precision-guided missiles, known as “standoff” weapons, Brobst said. Their stockpiles are likely healthier, and their use probably peaked at the beginning of the war as U.S. forces hit Iran’s early-warning systems, air defenses and other targets.Defense Secretary Pete Hegseth said as much — that American forces used more “standoff munitions at the start, but no longer need to.” He told reporters Wednesday that they would be using “500-pound, 1,000-pound and 2,000-pound GPS- and laser-guided, precision gravity bombs.”The U.S. has a healthy supply of those types of weapons, which are cheaper but require aircraft to fly closer to their targets, Brobst said.But the U.S. military is moving to bolster its anti-drone capabilities in the region with the Merops system that flies drones against drones. It is small enough to fit in the back of a midsize pickup truck, can identify drones and close in on them, using artificial intelligence to navigate when satellite and electronic communications are jammed.Root cause of the stockpile concernsBrobst said the problem of not having enough advanced munitions, particularly interceptors, was around well before the war in Iran, though “this has definitely not made it get any better by using up these munitions.”“Successive administrations over multiple decades did not procure sufficient quantities of these interceptors, and when that happens, companies don’t have an incentive to expand their production capacity,” Brobst said, adding that it takes “significant time” to ramp up production.The administration in recent months has promised to boost defense spending and to speed up production, while calling on the Pentagon to call out defense contractors that underperform and insufficiently invest in building manufacturing.Katherine Thompson, a former deputy senior adviser at the Pentagon during this Trump administration, said then-President Joe Biden had diminished some of the stockpile of interceptors by sending them to Ukraine.“It was a short-term win for the Biden administration but a long-term strategic problem for the United States as a whole,” said Thompson, who left her Pentagon position in October and is now a senior fellow in defense and foreign policy studies at the libertarian Cato Institute. “I would hope that the Trump administration doesn’t make that same mistake here.”Riki Ellison, chairman of the Missile Defense Advocacy Alliance, said the U.S. military could shift interceptors from one part of the world to another or get them from allies if needed. He also noted the Pentagon effort to get defense contractors to boost production.“We’re moving in that direction,” Ellison said. “That’s not going to be ready next week or anything, but it’s moving.”___Associated Press writer Emma Burrows in London contributed to this report.
WASHINGTON —
The U.S. and Israeli strikes on Iran have raised concerns among Democrats and others about diminishing American stockpiles of certain weapons, illustrating a longstanding production problem that some experts say could present challenges if another conflict emerges.
The Trump administration has repeatedly said American forces have all the weapons they need to fight the Iran war, now in its second week. President Donald Trump posted Friday on social media that several defense contractors had agreed to quadruple production of weapons “as rapidly as possible,” although he did not detail the specific systems being manufactured.
Questions about the nation’s weapons stockpiles have grown as the U.S. campaign against Iran escalates, with many Democratic lawmakers arguing that Trump is waging a “war of choice.” Missile defense systems are under the most strain, according to experts, with Patriot and Terminal High Altitude Area Defense, or THAAD, interceptors in high demand in Ukraine and Israel, respectively.
“I’m not particularly worried about us actually running out during this conflict,” said Ryan Brobst, a scholar focused on U.S. defense strategy at the Foundation for Defense of Democracies. “It’s about deterring China and Russia the day after this conflict is over.”
The U.S. is using both systems to take down Iranian missiles fired in retaliation for the American and Israeli attacks, but U.S. officials have said they are struggling to stop waves of drones launched by the Islamic Republic and that they are bringing in an American anti-drone system proven to work against Russian drones in Ukraine. The system, known as Merops, also is cheaper than firing a missile that costs hundreds of thousands of dollars at a drone that costs less than $50,000.
Pentagon says the military has ‘everything it needs’
Sean Parnell, the Pentagon’s chief spokesman, said in a statement that the U.S. military “has everything it needs to execute any mission at the time and place of the President’s choosing and on any timeline.”
Defense contractor Lockheed Martin posted on X late Friday that it had agreed to “quadruple critical munitions production” and “began this work months ago.” Trump and Lockheed did not offer a timetable of when the production increases would reach their target.
Some Democratic lawmakers, meanwhile, have questioned the long-term impact on the U.S. and its allies.
“We’ve been told again and again and again one reason that we can’t provide interceptors for the Patriot system or other munitions for Ukraine is that they’re in short supply,” Sen. Richard Blumenthal, D-Conn., told CNN on Thursday.
Sen. Mark Warner, D-Va., told reporters that American supplies are dwindling after the military fought the Houthi rebels in Yemen and engaged in more recent conflicts under the Republican administration. The top Democrat on the Senate Intelligence Committee did not specify what type of munitions he was referring to.
“Our munitions are low. That’s public knowledge,” Warner said. “It will require additional funding, funding where we have other domestic needs as well.”
Already in high demand
Supplies of defense interceptors are the most taxed, said Brobst, who is deputy director of the Center on Military and Political Power at the Foundation for Defense of Democracies, a hawkish Washington think tank.
The THAAD system is designed for defeating medium-range ballistic missiles, while the Patriot system is for taking down short-range ballistic missiles and crewed aircraft. About 25% of the entire THAAD stockpile was estimated to be used defending Israel from Iran’s ballistic missiles in the 12-day war with Iran last summer, Brobst said.
“These were already in very high demand and we had not procured enough before the conflict,” Brobst said. “And now we’ve probably used, between the two of them, probably several hundred more.”
The exact number of U.S. THAAD and Patriot systems is classified, with administration officials and Democratic lawmakers declining to offer details.
Demand for interceptors is likely falling as the U.S. and its allies take out Iran’s weapons’ capabilities, Brobst said. Gen. Dan Caine, chairman of the Joint Chiefs of Staff, told reporters this week that the number of ballistic missiles fired by Iran was down by 86% from the war’s first day.
Other munitions in demand include cruise missiles and precision-guided missiles, known as “standoff” weapons, Brobst said. Their stockpiles are likely healthier, and their use probably peaked at the beginning of the war as U.S. forces hit Iran’s early-warning systems, air defenses and other targets.
Defense Secretary Pete Hegseth said as much — that American forces used more “standoff munitions at the start, but no longer need to.” He told reporters Wednesday that they would be using “500-pound, 1,000-pound and 2,000-pound GPS- and laser-guided, precision gravity bombs.”
The U.S. has a healthy supply of those types of weapons, which are cheaper but require aircraft to fly closer to their targets, Brobst said.
But the U.S. military is moving to bolster its anti-drone capabilities in the region with the Merops system that flies drones against drones. It is small enough to fit in the back of a midsize pickup truck, can identify drones and close in on them, using artificial intelligence to navigate when satellite and electronic communications are jammed.
Root cause of the stockpile concerns
Brobst said the problem of not having enough advanced munitions, particularly interceptors, was around well before the war in Iran, though “this has definitely not made it get any better by using up these munitions.”
“Successive administrations over multiple decades did not procure sufficient quantities of these interceptors, and when that happens, companies don’t have an incentive to expand their production capacity,” Brobst said, adding that it takes “significant time” to ramp up production.
The administration in recent months has promised to boost defense spending and to speed up production, while calling on the Pentagon to call out defense contractors that underperform and insufficiently invest in building manufacturing.
Katherine Thompson, a former deputy senior adviser at the Pentagon during this Trump administration, said then-President Joe Biden had diminished some of the stockpile of interceptors by sending them to Ukraine.
“It was a short-term win for the Biden administration but a long-term strategic problem for the United States as a whole,” said Thompson, who left her Pentagon position in October and is now a senior fellow in defense and foreign policy studies at the libertarian Cato Institute. “I would hope that the Trump administration doesn’t make that same mistake here.”
Riki Ellison, chairman of the Missile Defense Advocacy Alliance, said the U.S. military could shift interceptors from one part of the world to another or get them from allies if needed. He also noted the Pentagon effort to get defense contractors to boost production.
“We’re moving in that direction,” Ellison said. “That’s not going to be ready next week or anything, but it’s moving.”
___
Associated Press writer Emma Burrows in London contributed to this report.
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