The US defense industry is under significant strain as the nation attempts to rebuild its missile inventories, particularly after their depletion following the Iran conflict. This effort is further complicated by a push to shift production towards faster, lower-cost modern warfare systems like drones and cheaper cruise missiles. However, the industry is grappling with supply chain shortages, labor constraints, and complex procurement hurdles, impacting the ability of major contractors to meet rising demands.
Despite substantial investments, companies and suppliers consistently highlight ongoing obstacles. These include unpredictable government spending, stringent procurement regulations, shortages of critical components, and a lack of skilled workers. Research by PwC indicates that the five largest US defense prime contractors face a combined backlog of $1.36 trillion in undelivered orders through 2025, which represents a 24% increase from the previous year. This backlog underscores the immense pressure on the industry to scale up production.
Defense Secretary Pete Hegseth's acquisition transformation strategy aims to streamline munitions purchases through seven-year framework agreements, encouraging second-source suppliers, and prioritizing commercially available products. Recent agreements, for instance, with Anduril, CoAspire, Leidos, and Zone 5, target the production of over 10,000 low-cost cruise missiles within three years starting from 2027. However, challenges persist with incentives struggling to address shortages in rare earths, critical minerals, explosives, and a shortage of workers with security clearances. A National Defense Industrial Association (NDIA) survey reveals that 50% of companies cite compliance burdens as a major issue, a significant jump from 23% last year.
The industry's struggle to ramp up missile production has strategic implications, particularly for maintaining deterrence in regions like the Indo-Pacific. Analysts like Mark Cancian from the Center for Strategic and International Studies note that while some missile types like JASSM might be replenished relatively quickly, others such as the Tomahawk and Patriot could take four to five years due to a lack of consistent prior purchasing and intense competition for output. The Pentagon's current strategy emphasizes putting the defense industry back on a wartime footing, which necessitates rebuilding a broader network of smaller suppliers, a segment that often struggles with financing capacity upgrades due to fluctuating Pentagon demand. The overall sentiment is that even with increased funding, rebuilding these crucial stockpiles will take years.