An experimental aircraft tested in conjunction with the United States Army has been in the air above the Sonoran Desert for 42 days, breaking its own record for longest uncrewed flight.

The solar-powered, high-altitude Airbus Zephyr S took off from the U.S. Army's Yuma Proving Ground on June 15, 2022 and has since been flying patterns over the Yuma Test Range and Kofa National Wildlife Refuge. 

The flight has now broken Zephyr's previous record of 25 days, 23 hours that it set in August 2018. The latest flight has seen Zephyr reach a number of additional milestones including its first flight over water, first flight into international airspace, the longest continuous flight while being controlled through satellite communications, and the farthest flight from its launch point, according to a U.S. Army statement (opens in new tab).