Why Fixed-Price Contracts Yield 40% Margins in Defense
Nelson Mills explains how Anduril proved defense startups can reach 40% margins by ditching cost-plus contracts and cutting administrative bloat.
Nelson Mills on Building a $100 Billion Company, the China Threat, and the Future of War
With David Weisburd, Nelson Mills · Sunday, October 18, 2026
Nelson Mills, founder and CEO of Vatn Systems, joins David Weisburd to discuss why undersea autonomy has lagged aerial drones and how Vatn is building low-cost autonomous underwater vehicles (AUVs) at scale. Mills explores the defense prime playbook pioneered by Anduril, the economics of fixed-price defense contracts, and why asymmetric undersea vehicles offer unmatched deterrence against naval powers like China. He also shares foundational startup lessons on capital-efficient hardware development, candidate red flags in hiring, and how founders should manage investor relationships.
Key takeaways
- Legacy primes like Lockheed Martin rely on cost-plus contracts that guarantee downside protection but cap average operating margins around 11%. Read more →
- China's missile inventory makes surface ship survivability in the western Pacific theater mathematically unviable, turning billion-dollar capital ships into high-liability targets. Read more →
- Nelson Mills transitioned from venture capital to defense manufacturing as CEO of Vatn Systems, applying industrial capital discipline to autonomous underwater vehicles. Read more →
- Undersea autonomous vehicles trail aerial drones by roughly ten years because basic physics blocks radio waves, GPS signals, and optical sensors underwater. Read more →
4 articles from this episode
Why $400M Frigates Fail to Deter China's Navy
Nelson Mills explains why surface warships fail against China's missile inventory and why undersea autonomy offers real naval deterrence.
Nelson Mills: Why Quiet Capital Beats Meddling Investors
Vatn Systems CEO Nelson Mills explains why 90% of venture investors do not add operational value, and why smart founders treat quiet capital as a win.
Why Undersea Autonomy Lagged Aerial Drones by a Decade
Vatn Systems CEO Nelson Mills explains why undersea autonomy lagged aerial drones and how Jevons Paradox will expand the subsea defense market.
More How I Invest episodes
- John Borthwick on AI Agents, the Death of Apps, and the Future of SoftwareOct 18 · 6 articles
- Will Robbins on Elon Musk, AI & the Future of Silicon ValleyOct 11 · 6 articles
- Why This 22-Year-Old Founder Chose Defense Over Silicon ValleyOct 11 · 6 articles
- What Steve Jobs Taught Me About Great FoundersOct 11 · 5 articles