Density
An operational‑brain software platform that plans missions, tasks assets, and connects operators, sensors, and robotic systems in a shared operating picture.


Startup · South Korea
HQ Seoul, South Korea1-10 employees
BONE builds the backbone for Physical AI: Density, mission systems, and field infrastructure for national defense and public safety.
| Announced | Stage | Amount | Valuation | Lead investors | Other investors | Confidence |
|---|---|---|---|---|---|---|
| Nov 17, 2025 | Seed | $12.0M | — | Third Prime | — | Reported |
Raised counts equity rounds; debt, secondary sales and grants are totaled separately. Amounts in other currencies are converted at the announcement month's average rate. A ~ marks an estimated or converted amount.
An operational‑brain software platform that plans missions, tasks assets, and connects operators, sensors, and robotic systems in a shared operating picture.
An interceptor that supports an operator‑supervised response and is tasked through the Density system alongside its carrier.
A carrier aircraft that extends operational reach by carrying an interceptor toward the mission area as part of a coordinated system.
Newest unveiled first. Open a system for its milestone timeline, components and sources.
| Technology | Role | Maturity | TRL | Notes | Confidence |
|---|---|---|---|---|---|
| Military AI and autonomy | Developer | — | — | classify_sectors run 37, haiku, taxonomy 2026-10-18b: Physical AI density, mission systems and field infrastructure built for national defense and public safety, so its customers are defense and security agencies. | Reported |
Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.
| Person | Role |
|---|---|
| D. Lee · LinkedIn ↗ | Founder & CEO |
Sixth-Domain · Supports Organization · country, Organization · kind
“{"country": "South Korea", "hq_iso2": "KR", "id": "8dfbfe6c-5012-4f48-8aa8-3952797f9fcd"}”
Bone · Supports Organization · description, Organization · name, Organization · website, System
“BONE builds the backbone for Physical AI: Density, mission systems, and field infrastructure for national defense and public safety.”
TechCrunch · Nov 17, 2025 · Supports Funding round · amount, Organization · ownership
“has raised a $12 million seed round led by Third Prime with participation from Kolon Group”
Crunchbase · Supports Organization · employee range, Organization · hq city, Organization · linkedin url, Role
“employee_range: 1-10 (profile: 1-10)”
Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.