Summary

Endeavor Robotics, now operating as the ground robotics division of Teledyne FLIR Defense, is the US military’s primary supplier of medium and large explosive ordnance disposal (EOD) and reconnaissance unmanned ground vehicles. The company traces its lineage to iRobot’s defense unit — creators of the original PackBot, first deployed in Afghanistan in 2002 — which was spun off in 2016 as a standalone entity, acquired by FLIR Systems for approximately $385 million in 2019, and absorbed into Teledyne Technologies' $8 billion FLIR acquisition in 2021. The Centaur (the MTRS Inc. II program-of-record robot) has been delivered to all four US military branches, with 1,800+ units produced and over $250 million in total orders. In September 2024, Teledyne FLIR Defense captured contracts worth up to $47 million to sustain and expand its full ground robot fleet across the US government.

Note on related company: QinetiQ North America (McLean, VA) is the other key US defense EOD UGV supplier. QNA won the CRS-I (Common Robotic System — Individual) contract for the Army’s small backpackable robot (vs. Endeavor’s medium Centaur), and holds $90M+ in TALON family sustainment contracts plus a December 2024 $47.5M combined Army/Navy TALON modernization package. QNA and Endeavor/Teledyne FLIR are the two dominant players in the US military ground robotics market.

Key Facts

  • Founding lineage: iRobot Defense (1998 PackBot development) → Endeavor Robotics (2016 spin-off) → FLIR Systems acquisition (2019, ~$385M) → Teledyne FLIR Defense (2021)
  • HQ: Burlington, MA (Endeavor robotics operations; parent Teledyne Technologies, Thousand Oaks, CA)
  • Type: Division of Teledyne Technologies (NYSE: TDY)
  • Key products: Centaur (MTRS Inc II, 60+ kg, primary medium EOD UGV); PackBot 510 (legacy, 25–30 kg, modular); Kobra 725 (heavy, 500 lb, 330 lb reach, 11.5 ft height); FirstLook 110 (mini recce); SUGV 310
  • MTRS Inc II deliveries: 1,800+ Centaur robots to US Army, Navy, Air Force, USMC; $250M+ total program value
  • PackBot legacy: 7,000+ PackBot and related systems fielded across 55+ countries over two decades
  • Revenue / valuation: Division of Teledyne (NYSE: TDY, ~$5.4B annual revenue total company); ground robotics revenue not separately reported

What It Is / How It Works

The PackBot established the template for modern military EOD robots: a tracked platform with a modular manipulator arm, deployable from a backpack (the 510 version weighs ~25–30 kg), capable of examining and neutralizing improvised explosive devices without risking a human operator. The PackBot’s operational debut came in Afghanistan in 2002, and it became a standard tool in Iraq and Afghanistan for IED clearance operations. More than 7,000 units have been delivered to 55+ countries. The 2011 Fukushima Daiichi nuclear disaster response — where PackBots were sent into radioactive reactor buildings — expanded the platform’s visibility beyond military EOD to CBRN (Chemical, Biological, Radiological, Nuclear) industrial response.

The Centaur (MTRS Inc. II) is the successor program: a medium-sized (~60 kg), JAUS/IOP-compliant robot with a more capable manipulator, faster movement, and improved autonomy over the PackBot. The Centaur was selected as the Army’s program-of-record MTRS Inc. II platform in 2017 and has since been fielded across all four military services. The 1,000th Centaur was delivered in June 2023; total deliveries had reached 1,800+ by late 2024. The Centaur is designed for interoperability — its IOP (Interoperability Profile) compliance means it can be controlled by the Army’s standard robot controller alongside other compliant platforms.

The Kobra 725 represents the heavy-lift end of the product family: a 500-pound robot capable of lifting 330 pounds and reaching 11.5 feet with its manipulator. The Kobra is designed for vehicle checkpoints, heavy EOD tasks, and industrial hazmat operations.

The September 2024 FLIR Defense contract awards — $32M for MTRS/CRS-H sustainment and $15M for PackBot/Kobra/FirstLook/SUGV support including foreign military sales — reflect the long-tail value of a large installed fleet: once fielded, sustainment contracts provide recurring revenue well beyond the initial procurement award.

QinetiQ North America context: QNA’s TALON robot is the alternative medium EOD UGV with a similarly long US military pedigree. QNA won the CRS-I (individual backpackable) competition in 2019 over Endeavor. In December 2024, QNA received $17.5M for Army TALON IV modernization and up to $30M for Navy TALON MTRS Mk2 production — confirming both companies maintain active US military programs simultaneously rather than winner-takes-all outcomes.

Notable Developments

  • 2024-09: Teledyne FLIR Defense captures two contracts worth up to $47M — $32M for MTRS/CRS-H sustainment, $15M for PackBot/Kobra/FirstLook/SUGV product family support including FMS. (Business Wire)
  • 2023-06: 1,000th Centaur (MTRS Inc. II) robot delivered to US Army. (FLIR Defense)
  • 2022: Teledyne FLIR Defense receives $62M in Centaur orders, bringing total MTRS deliveries above 1,500 across all services. (Teledyne)
  • 2021-05: Teledyne Technologies closes $8 billion acquisition of FLIR Systems; Endeavor ground robotics absorbed into Teledyne FLIR Defense business unit.
  • 2019-02: FLIR Systems acquires Endeavor Robotics for approximately $385 million from Arlington Capital Partners. (Security Info Watch)
  • 2017: Centaur selected as MTRS Inc. II program-of-record; contract awarded.
  • 2016: iRobot spins off its defense and security business as Endeavor Robotics; Arlington Capital Partners acquires the unit from iRobot.
  • 2002: PackBot first deployed in Afghanistan — first operational deployment of a military EOD robot by US forces.

Key People

Current Teledyne FLIR Defense division leadership is not separately publicized. Parent company Teledyne Technologies CEO is Robert Mehrabian (founder and executive chairman); Edwin Roks is CEO.

People — Last Reviewed: 2026-03-31

Supply Chain Position

Teledyne FLIR Defense / Endeavor operates as a Platform OEM for defense EOD and recon UGVs, designing and assembling robots in Burlington, MA. The company sources actuators, manipulator arms, drive motors, cameras, and compute from external suppliers (not fully publicly disclosed). The FLIR thermal imaging heritage (Teledyne FLIR’s core business) provides in-house sensor integration capability that competitors lack. ⚑ Rare earth dependency: All tracked drive systems use BLDC motors with NdFeB permanent magnets; Chinese rare earth supply chain applies. The manipulator arm joint actuators (typically harmonic drive or similar precision reduction) may source components from Japanese or European suppliers (Harmonic Drive AG, Nabtesco).

Claim Verification

Claim: 7,000+ PackBot robots fielded across 55+ countries

Status: Partially verified

Supporting sources:

  • Multiple defense industry sources cite 7,000+ PackBot and related systems as the cumulative iRobot/Endeavor fielding number across the product generation
  • 55+ country figure consistent with export records and US FMS (Foreign Military Sales) history

Refuting / questioning sources:

  • The “7,000+” figure aggregates multiple PackBot generations (310, 510, 520, and related variants) and may include platforms no longer in service; active fleet is substantially smaller
  • Country count likely includes legacy units not currently operational

Summary: The cumulative production figure is plausible given two-decade production history; active deployed fleet is materially smaller than the total historical production number.

Sources