Investment thesis · Live
America has fired off its missile stockpile on three fronts, and the bottleneck for rebuilding it is two rocket motor plants
Three simultaneous fronts have drained US interceptor inventories, and the pace of the rebuild is capped by a duopoly in rocket motors: the value accrues to the bottleneck.
Published August 5, 2026 · 150-day horizon · supply and demand
Basket return
+1.9%
equal weight, since publication
The market over the same window
-0.1%
benchmark for this basket
Edge over the market
+2.0%
in percentage points
Causal chain: Defense on three fronts: Israel, Red Sea, Ukraine → Interceptor inventories nearly empty → Multi-year wave of restocking orders → Bottleneck: rocket motors (duopoly) → Interceptor primes: LMT, RTX → Motor chokepoint: LHX (Aerojet), NOC
What this thesis rests on
Each one is a statement that has to be true. When a filing says otherwise, the thesis is in trouble, and this is where we say so.
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Through 2 January 2027, no third supplier beyond L3Harris (Aerojet Rocketdyne) and Northrop Grumman is qualified to deliver solid rocket motors for PAC-3 MSE, THAAD, SM-3 or SM-6.
competitive · Unverified
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✓
Lockheed Martin keeps its PAC-3 MSE ramp toward 650 units per year, reporting no reduction in annual interceptor delivery targets in its next two quarterly filings.
operational · Supported
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RTX reports total company backlog at each of the two quarterly reports after publication that is higher than the level reported for the quarter ended 30 June 2026.
financial · Unverified
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L3Harris reports Aerojet Rocketdyne (Aerojet segment) revenue growth of at least 10% year over year in each of the two quarters reported after publication.
financial · Unverified
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!
Congress enacts full-year FY2027 defense appropriations rather than a full-year continuing resolution before 2 January 2027, permitting new missile procurement starts.
regulatory · Challenged
Over the past several quarters America has been running missile defense on three fronts at once: shielding Israel from ballistic missiles, shooting down Houthi drones and rockets over the Red Sea, and supplying interceptors to Ukraine. Wire reports state plainly that the missile stockpile is nearly exhausted, and while Washington denies it, the direction of travel is not in dispute: inventories of the most expensive interceptors (THAAD, Patriot, SM-3, SM-6) are now badly depleted and will have to be rebuilt.
The key observation, still underappreciated, is this: a defense budget can be raised in a matter of weeks, but an interceptor cannot be built any faster. The physical bottleneck in the entire chain is the solid rocket motor. Western production of these motors has shrunk to effectively two suppliers, and adding capacity takes years. That means restocking will stretch out over many years and will keep order books full far longer than any single escalation episode would suggest.
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