‘Some of These Lasers Were the Size of Buildings’: Now They Need 12 Minerals China Cut Off
Bloomberg Intelligence analyst Wayne Sanders noted that laser weapons' size has shrunk, but they rely on minerals China has restricted. RTX (Raytheon) reported Q2 revenue of $8.27B, up 18%, with a $289B backlog. CEO Chris Calio highlighted supply chain risks. Lockheed Martin (LMT) and Boeing (BA) also mentioned rare-earth mineral risks. RTX is up 30% over a year, while MP Materials, a rare-earth supplier, is down 19%.
How this was made

The 30-second read
Why it matters
The article highlights a new risk factor for major defense contractors, suggesting possible cost and schedule pressures.
Market read
Supply‑chain constraints on critical minerals could affect earnings and backlog execution for top U.S. defense manufacturers.
What to watch
Potential for increased U.S. domestic rare‑earth production or strategic stockpiles could mitigate the risk.
Background
China has limited export of 12 critical minerals needed for laser diodes, raising supply‑chain concerns for U.S. defense firms.
Ticker impact
China's restriction on 12 critical minerals could constrain RTX's laser weapon production and backlog execution.
Short‑term downside risk if alternative sources are not secured.
RTX disclosed material risk in its Q2 call; the mineral cutoff is a new constraint on a $289 B backlog.
Lockheed Martin flagged rare‑earth mineral availability as a Q2 risk while pursuing a $35 B THAAD contract.
Moderate pressure on stock if mineral shortages persist.
Risk disclosure is new but no concrete contract change; impact is speculative.
Boeing noted similar exposure to rare‑earth supply constraints in its defense and space segment.
Limited downside unless shortages become material.
Commentary only; no immediate operational impact disclosed.
Leidos is scaling a $1 B containerized munitions framework that relies on the same constrained mineral base.
Minor pressure; depends on ability to source alternatives.
Mentioned as part of broader sector risk, no specific contract change.
MP Materials, a pure‑play rare‑earth miner, is highlighted as a potential solution to the mineral choke‑point.
Potential upside if defense firms increase sourcing from MP.
Article positions MP as a strategic play; price move not yet evident.
Market effects
The rare‑earth supply constraint could weigh on the broader U.S. defense and aerospace sector.
U.S. defense manufacturers may face higher input costs; Chinese export controls intensify geopolitical risk.
Supply‑chain bottlenecks in critical minerals have worldwide implications for defense tech development.
Counterpoint
If RTX and peers secure alternative suppliers quickly, the mineral restriction may be already priced in.
Key entities
- CompanyRaytheon Technologies
Defense contractor facing mineral supply risk.
- CompanyLockheed Martin
Defense contractor citing rare‑earth risk.
- CompanyBoeing
Aerospace firm noting similar exposure.
- CompanyLeidos
Defense tech firm scaling munitions framework.
- CompanyMP Materials
U.S. rare‑earth miner positioned as a supply source.




