Stuart Young, Program Manager, Tactical Technology Office, DARPA joined Grayson Brulte on The Road to Autonomy podcast to discuss DARPA’s RACER (Robotic Autonomy in Complex Environments with Resiliency) Program and the development of high-speed autonomous vehicles capable of navigating unstructured off-road terrain without maps or GPS.

The operational backbone of this program is a departure from the breadcrumb approach of the Grand Challenge, challenging robots to navigate complex, unstructured environments at speeds faster than manned formations. By removing the dependency on pre-existing maps and GPS, DARPA is forcing the autonomous systems to generalize across environments.

In the field, RACER has rigorously tested platforms ranging from modified Polaris RZRs to Textron M5 tracked vehicles across diverse landscapes, including the Mojave Desert, Camp Roberts, and Fort Hood. This ecosystem has not only spurred the creation of companies such as Overland AI and Field AI but also demonstrated tactical relevance, as seen when the 11th Armored Cavalry Regiment utilized RACER technology as an opposition force at the National Training Center.

Looking ahead, Stuart envisions a future where autonomy shifts from simple movement to strategic maneuver, enabling a single operator to command platoons of vehicles. This evolution aims to fundamentally change the risk calculus for soldiers while opening new opportunities for dual-use applications in mining, agriculture and search and rescue.

Episode Chapters

0:00 The History of Autonomy at DARPA: From the Grand Challenge to Today

6:54 How RACER Differs from The Grand Challenge

11:59 Operating Without Maps or GPS

14:00 Managing Heat, Acoustic, and Visual Signatures in Autonomy

19:43 Testing in the Mojave, Central California, and Texas

25:11 Building the RACER Brain and Spawning New Companies (Overland AI, Field AI)

27:12 The Rules of RACER: Speed Metrics and “No Maps” Constraints

33:36 The Hardware: Modifying Polaris RZRs and Textron M5 Tanks

37:37 Requirements vs. Possibilities

40:01 Field Testing with the 11th Armored Cavalry Regiment at the National Training Center

44:43 Deploying RACER in the Field

46:12 The Legacy of RACER: Dual-Use Applications and Saving Lives

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