U.S. Defense Giants Race to Build Cheaper Missiles as Stockpiles Fall

The U.S. military is facing a growing missile shortage as costly interceptors are used against cheaper threats. Defense companies are now developing affordable weapons to rebuild stockpiles and strengthen air defenses.

Patriot PAC-3 MSE Missiles

U.S. Defense Cheaper Missiles: The U.S. military is facing a costly problem in air defense. Some of its most advanced interceptors can cost about $4 million each. At the same time, some drones used in modern wars can cost only tens of thousands of dollars. Using a very expensive missile against a cheap drone can quickly use up military supplies and money.

This problem was discussed at the Space and Missile Defense Symposium in Huntsville, Alabama, in August 2026. Major U.S. defense companies are now working on simpler and cheaper weapons that can be made in larger numbers. The goal is not to replace the best missiles.

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Boeing Wants a Much Cheaper Missile Seeker

Boeing is working on a new low-cost seeker. A seeker is the part of a missile that helps it find and follow a target. Boeing is trying to use more commercial parts to lower the price of this important component.

Jim Bryan, Boeing’s executive director of integrated air and missile defense, explained the change by saying, “We are looking to flip the script on some products,” said Jim Bryan, Boeing’s executive director of integrated air and missile defense. “We build a lot of exquisite products, and exquisite products tend to be expensive. We’re working hard for affordable.”

Boeing has already been expanding production of PAC-3 seekers in Huntsville. In April 2026, the company agreed with the U.S. Department of War to triple seeker production capacity over seven years. Boeing said its seekers are used to identify and track threats including ballistic missiles, cruise missiles and hypersonic weapons.

The wider problem is also clear to Army officials. Brig. Gen. RJ Mikesh said, “This may be one of the defining problems of modern warfare,” said Army Brig. Gen. RJ Mikesh, a weapons procurement official. “Not every target requires the most exquisite mission and not every threat should be defeated with our most expensive interceptor.”

Lockheed, Northrop and Raytheon Try New Ideas

Lockheed Martin introduced its PAC-3 ACE interceptor in July 2026. The missile is designed to cost less than half of the PAC-3 MSE. Lockheed says the first test is expected in early 2028. The company has made changes to the design to lower costs while keeping it linked to the Patriot system.

Northrop Grumman has also introduced Raid Hunter. It is a 50mm gun-based air defense system made for large drone attacks and cruise missiles. The system uses guided ammunition and is designed to engage many targets without using costly missiles for every attack.

Raytheon is taking another approach. The company is working with Voyager Technologies on lower-cost propulsion for the Standard Missile-3 and is also increasing Coyote counter-drone missile production. Raytheon executive Bob Kelley said the aim is “flattening the cost curve to prevent using” advanced interceptors “to go after $100,000 or $50,000 enemy drones that are coming in at you all the time.”

The Military Needs Weapons it can Build Faster

The pressure is not only about price. The U.S. also needs to replace missiles used in recent fighting. The Pentagon has requested billions of dollars for emergency military needs, including funds for replacing advanced interceptors and rebuilding weapons stocks.

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Lockheed Martin’s Jason Reynolds defended the speed of the new ACE project, saying, “People like to think Lockheed is not agile, we’re not capable, we take forever, we’re old school,” he said. “ACE was born and designed and developed in, like, months.”

The growing use of cheap drones in conflicts such as the Middle East and Ukraine has made the cost problem harder to ignore. The U.S. military now needs a mix of weapons, from high-end interceptors for difficult threats to much cheaper systems for drones and large attacks.