The views expressed here are my own and do not reflect those of any client, employer, or affiliated organization.
In the early days of World War II, Franklin Roosevelt stood before Congress and described the United States as the arsenal of democracy. It wasn’t rhetoric. It was a statement of industrial fact. Within months of Pearl Harbor, automobile plants were producing tanks and bombers. Appliance manufacturers were making ammunition. Shipyards that had never seen a warship were launching destroyers. The American industrial base, at scale, turned the tide of the most destructive conflict in human history.
That industrial base is gone. The Iran war is the moment we’re finding out what that means.
What Six Weeks Revealed
The Iran war has been, among other things, an extraordinarily expensive audit of US military readiness. The results are not encouraging.
Iran’s opening strategy was not to overwhelm US defenses with sheer volume. It was to blind them first. Iranian ballistic missiles and drones systematically targeted the AN/TPY-2 radars that form the detection backbone of the THAAD system across Jordan, Qatar, the UAE, Bahrain, Kuwait, and Saudi Arabia. Without those radars, THAAD batteries cannot independently track or target threats. The interceptors become significantly less effective, dependent on degraded external sensors. Ten US radar sites were hit. The eyes of the system were gone in days.
What followed was a cascade. With THAAD degraded, the burden shifted to Patriot systems. In the first 96 hours alone, US and Gulf partner Patriot batteries fired 943 interceptors, consuming 18 months of production from the single shared production line running at 620 interceptors per year. Over 1,000 PAC-3s were fired in two weeks, nearly double annual production capacity. As PAC-3 stocks depleted, forces fell back on the older PAC-2 system, less capable against the modern ballistic missiles Iran was firing. The Pentagon spent $5.6 billion on munitions in the first two days alone.
On March 10th, the US began relocating THAAD systems from South Korea to replace what had been destroyed or depleted in the Middle East. The Pacific had been stripped to cover losses in the Gulf. The defense of Taiwan’s approaches got thinner while the ceasefire was still weeks away.
The stockpile problem did not begin on February 28th. Years of arms transfers to Ukraine had already drawn down Patriot interceptor stocks to dangerously thin levels before the first shot was fired in Iran. The Iran war hit a depleted baseline. Trump ordered defense contractors to quadruple production. Experts say the ramp-up will take three to four years. The conflict lasted six weeks.
How We Got Here
The hollowing of the American industrial base is one of the defining economic stories of the past fifty years, told mostly in the aggregate and rarely in its strategic implications.
The mechanism was straightforward. Global trade liberalization, beginning in earnest in the 1970s and accelerating through the 1990s and 2000s, made it cheaper to manufacture abroad than at home. American firms, responding rationally to incentive structures that rewarded cost reduction and quarterly returns, moved production offshore. The factories closed. The supply chains relocated. The specialized labor, the machinists and toolmakers and process engineers who carry industrial knowledge in their hands and heads, retired or retrained or simply aged out of a workforce that no longer needed them.
What replaced manufacturing was finance, services, and technology. These are not worthless sectors. But they do not produce the physical output that a nation at war requires. You cannot surge a hedge fund to produce artillery shells. You cannot retool a software company to manufacture missile components. The conversion that saved the Allied cause in World War II was possible because the physical infrastructure existed to convert. We optimized it away.
The offshoring of supply chains compounded the problem in ways that are only now becoming fully visible. The components that go into advanced defense systems, the rare earth magnets, the specialized semiconductors, the precision optics, are manufactured predominantly in countries that are either neutral parties to the current conflict or active strategic competitors. China controls the dominant share of rare earth processing globally. The semiconductor inputs that defense systems depend on flow through supply chains that the Iran war has already disrupted. The United States is, in a meaningful sense, dependent on its adversaries for the components required to fight them.
The Surge Capacity Problem
In World War II, the United States went from producing 3,000 military aircraft per year in 1939 to more than 96,000 in 1944. That ramp was possible because the underlying industrial capacity, the factories, the machine tools, the skilled workforce, the raw material supply chains, already existed at scale and could be redirected.
Modern US defense production has no equivalent surge capacity. The defense industrial base that exists is optimized for a specific, relatively stable production volume driven by peacetime procurement budgets and long-term contracts. It is not designed to double or triple output in response to a conflict. The specialized manufacturers that produce critical components often have no redundancy. A single factory. A single supplier. A single point of failure that cannot be rapidly replicated.
The Patriot situation is illustrative but not unique. The same constraints apply across a range of critical systems. Naval vessels take years to build. Armored vehicles require supply chains that no longer have domestic redundancy. Precision munitions depend on components sourced globally. There is one domestic facility that produces the solid rocket oxidizer present in every US missile with a solid motor. There is one facility, built during World War II, that produces the high explosives that fill US warheads. One disruption at either location halts production across the entire US missile inventory simultaneously.
The military the United States fields today is extraordinarily capable. It is not a military designed for a prolonged, high-intensity conflict against a motivated adversary willing to absorb punishment and fight back systematically. The Iran war, which is neither peer competition nor the most demanding scenario the US could face, has already strained it visibly.
The Strategic Implication
There is a through line connecting the industrial base argument to the broader strategic picture.
The United States is simultaneously engaged in an AI race that will determine technological dominance for the next fifty years, a chip competition centered on Taiwan whose outcome depends on credible deterrence, and an active military conflict that consumed irreplaceable munitions at rates the production base cannot sustain. Each of these challenges individually would be serious. Together, they constitute a strategic stress test that the current industrial and economic architecture was not designed to pass.
The countries best positioned to win that stress test are the ones with deep manufacturing bases, state-directed industrial policy, long time horizons, and tolerance for short-term economic pain in service of long-term strategic positioning. China fits that description more precisely than the United States does at this moment.
This is not a counsel of despair. Industrial capacity can be rebuilt. Supply chains can be restructured. Policy can redirect incentives. But these are decade-scale projects, and the strategic situation is deteriorating on a faster timeline than any of them can address. The window between now and when the consequences become irreversible is narrower than the policy conversation currently reflects.
What Roosevelt Understood
Roosevelt called the United States the arsenal of democracy because he understood that industrial capacity was not just an economic asset. It was a strategic one. The ability to out-produce an adversary, to absorb losses and reconstitute faster than the enemy could destroy, was the foundation on which Allied victory was built.
That foundation was not an accident. It was the result of decades of industrial development, infrastructure investment, and the cultivation of a workforce with the skills to operate and expand a manufacturing economy at scale. It took generations to build. It took decades to dismantle. And the conflict now unfolding in the Gulf is the first clear signal of what the dismantling has cost us.
The arsenal is not empty yet. But it is depleting faster than it is being refilled, and the factories that once restocked it are gone.
Derek Francisco is a licensed attorney and legal operations consultant. He writes on law, geopolitics, and the economics of institutional change. Views expressed are solely his own.