// SIGMABLOX
The Defense Tech Combine.
Where founders building for national security compete, learn, and prove it on the field.
// COMBINE 01 — SIGMABLOX
Nooks
$146.8M DIU classified-infrastructure task
Pulse Space
$40M Space Force contract — largest in company history
Ulysses
$46M led by a16z American Dynamism
Defense Unicorns
$136M Series B at a $1B+ valuation
Alitheon
$8M Series A1 co-led by eBay Ventures
Gallatin AI
Army PORTAL Direct-to-Phase-II SBIR
// HOW THIS WORKED
01
Curate
6 months. 1,500 → 83.
Find strong companies with real mission relevance, technical depth, and capable teams.
02
Convene
5 days. One room.
Bring builders face-to-face with mission owners, operators, domain experts, and decision-shaping stakeholders.
03
Deploy
12 weeks. Real outcomes.
Structured support, direct access, and deployment momentum that produces outcomes.
What the partnership proved
BetaBlox brought the operating system. Merge Combinator brought the mission access. The fact that a zero-defense incubator could generate real defense outcomes was part of the proof.
// FOR MISSION OWNERS & PARTNERS
Want this in your mission area?
Deploy the next Combine for your mission.
Launch Your Mission Combine
// FOR FOUNDERS & BUILDERS
Building something mission-relevant?
Your next chance.
Tell Us What You're Building