Lockheed Martin Skunk Works demonstrated the expanded endurance capabilities of a specially configured Lockheed Martin Stalker VXE unmanned aerial system (UAS) through a world record endurance flight on Feb. 18, 2022, at the Santa Margarita Ranch in California.

The flight establishes a new record in the Group 2 (5 to <25-kilogram) category with a flight time of 39 hours, 17 minutes and 7 seconds. The flight has been submitted to the Federation Aeronautique Internationale (FAI), the world sanctioning body for aviation records, through its U.S. affiliate, the National Aeronautic Association, for certification.

A production Stalker VXE was modified for this record-setting flight with an external, wing-mounted fuel tank. The flight provided valuable insight for improvements to Stalker VXE aimed at scaling its mission capabilities for the future.

Stalker VXE's class-leading endurance, broad operating envelope, modular payload compliance, vertical take-off and landing capability, and open system architecture allow it to execute diverse and demanding missions while maintaining a small operational footprint and crew.

To achieve this world record flight time, Lockheed Martin partnered with:

+ Edge Autonomy as a developer and original equipment manufacturer of high-performance unmanned systems, including the Stalker VXE aircraft.

+ Adaptive Energy to develop cutting-edge fuel cell technology, investing in advanced power sources and testing innovative implementation techniques for field operations.

+ Composite Technology Development Inc. to build a light-weight external wing tank.

+ Precision Integrated Programs to provide flight operations support.

+ Clovis Area Modelers to provide FAI official contest directors to continuously monitor and adjudicate the world record flight for ratification.

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