Skip to content
Defdex
Atropos Group logo

Startup · United States

Atropos Group

HQ Arlington, United StatesFounded 2025

Developer of the Tacit Spear autonomous cargo aircraft; acquired by CHAOS Industries in July 2026 to form its Aerospace Division.

StartupAcquiredDevelopmentAutonomous fixed-wing cargo aircraft
WebsiteLinkedIn
Total raised
$6.0M
1 round
Last round
$6.0M
Pre-Seed · Aug 29, 2025
Products
1
Most mature: development
Technologies
1
Mentions
4
Latest Jul 29, 2026

Products1

Tacit Spear

Clean-sheet autonomous twin-turbofan airlifter concept sized for about 20,000 lb of cargo (three 463L pallets) and 2,500 nm ferry range; a one-fifth-scale prototype has flown. Now developed by CHAOS Industries' Aerospace Division.

Development

Newest unveiled first. Open a product for its milestone timeline, components and sources.

Technologies1

Maturity and TRL describe this organization's work; the field-wide maturity is on each technology's page.

Funding1 round · $6.0M

Disclosed
$6.0M
Latest
$6.0MPre-Seed · Aug 29, 2025
  • Pre-Seed
    Confirmed
    $6.0M
    Aug 29, 2025

Totals add known amounts using recorded USD conversions where available; other currencies are shown separately. A ~ marks an estimated amount.

Supply chain1 facility

Facilities1

  • Atropos Group Arlington office
    Headquarters · Arlington, Virginia, United States
    Operating
    Confirmed

People4

Hiring observations11 listings

A sample of observed listings, not a total vacancy count. Availability may have changed since collection. Categories are inferred from job titles.

News4

Open in the news feed →

Sources6

Profile2

  1. 1
    OtherBlack Flag 100.2

    Black Flag · Supports Organization

    “Atropos Group designs and builds autonomous unmanned aircraft from a clean sheet, fully vertically integrated across conception, engineering, testing, and”
  2. 2
    OtherAtropos - Black Flag Job Board

    Black Flag · Supports Organization

    “Designs, builds, and operates entirely new autonomous aircraft for commercial and defense applications, bridging innovation and practical solutions in”

Products3

  1. 3
    CompanyCHAOS Industries Acquires Atropos Group, Uniting Sensing and Effects with Autonomous Airborne Platforms

    CHAOS Industries · Jul 29, 2026 · Supports Organization, Organization · acquired by, Organization technology, Role, System

    “Founded in 2025, Atropos Group is a defense-tech aerospace and autonomy company developing unmanned aircraft systems for contested logistics, commercial cargo, and mission-adaptable operations.”
  2. 4
    NewsAtropos Reveals Subscale Test Model Of Tacit Spear Airlifter

    Aviation Week · Feb 4, 2026 · Supports System

    “The Atropos Group has completed a subscale flight-test model of the autonomous Tacit Spear cargo aircraft within six months of launching the company.”
  3. 5
    NewsStartup Aims to Deliver Autonomous Airlifter for USAF By 2028

    UAS Vision (from Aviation Week) · Sep 17, 2025 · Supports Funding round · stage, Role, System

    “So far, the company has secured $6 million in pre-seed funding.”

Funding1

  1. 6
    Regulatory filingForm D: Atropos Group Inc.

    U.S. Securities and Exchange Commission · Aug 29, 2025 · Supports Facility, Funding round · amount, Organization · hq city, Role

    “Atropos Group Inc.; ARLINGTON, VA; Year of Incorporation: 2025”

Each fact on this page is attached to the sources that support it. Archived copies are linked when we keep one.