The Case for the American Manufacturing Asset Class
Short summary
America's defense-tech startups are building advanced weapons faster than ever, but the fragmented, aging supplier base can't scale production to meet demand. The article argues that private capital and better engineering partnerships between systems companies and manufacturers are essential to close this gap—and that the Pentagon needs to commit to buying these systems to make it economically rational for suppliers to invest in capacity.
- 95% of American machine shops employ fewer than 50 people and were built around low-volume, high-precision work; they can't absorb sudden production ramps without massive upfront capital investment and government demand certainty.
- Defense contractors like Anduril have hit the limits of what private capital can finance for speculative production capacity—suppliers need actual purchase orders from the Pentagon, not just promises, to justify tooling and hiring.
- Current supplier relationships use "build-to-print" models where manufacturers just execute drawings; the next generation needs co-engineering where suppliers redesign components and production methods together with systems companies to cut costs and enable scale.
Full summary
America's defense companies have gotten really good at building advanced prototypes—SpaceX, Anduril, Castelion, and others are shipping missiles, autonomous systems, and spacecraft that work. But prototypes aren't weapons systems. The real problem is scaling from "we built one" to "we can build thousands every year," and that's where the whole operation hits a wall. The industrial base underneath these flashy defense startups is ancient and fragmented. There are 16,876 machine shops in America; 83% employ fewer than 20 people. These small shops do specialized work well, but they were built for low-volume production of expensive systems that last decades. They can't suddenly absorb orders for thousands of cheaper weapons without massive upfront investment in tooling, automation, and hiring. Worse, the capabilities are scattered—one supplier might be the only qualified source for a critical component, so if they can't scale, the entire missile program hits a ceiling.
The government created this mess by being noncommittal about purchases. Anduril's suppliers needed six months to add capacity for the Ghost-X program, but the Army wouldn't commit to how many units it would actually buy. Private capital won't fund unlimited speculative capacity indefinitely. You can't ask a machine shop to spend millions on new equipment for an order that might never materialize. Anduril itself recently hit the limit of what private money can carry and told the Air Force it needs the $1.1 billion FY27 procurement request for the Fury drone to happen before production ramps. The Pentagon has to actually commit to buying things.
Here's what matters: America can't compete on labor costs and shouldn't try. We have deep capital markets and technological talent—use those. But that only works if you rebuild the entire manufacturing hierarchy from the ground up, making factories as modern as the weapons they produce. That requires enormous upfront capital plus reliable government demand signals. Without both, we end up with a world-class prototype sitting in a warehouse while the industrial base stays stuck in the 1980s. Silicon Valley has largely ignored this problem, which is both a massive national security gap and a genuine business opportunity for capital willing to build real manufacturing companies instead of just funding the sexy startups.