The U.S. Army has received delivery of 45 propane-powered solid oxide fuel cells that will be used for unmanned drones. The fuel cells, called ROAMIO D245XR, can keep unmanned aerial systems, or UAS, afloat for at least eight hours. "The integration of our ROAMIO D245XR fuel cells with UAS provides a significant strategic advantage to our warfighters in the field. Compared to other, larger UAS platforms, those powered by the ROAMIO D245XR can fly farther and longer, as well as carry more sensors and equipment with a much smaller logistical footprint," said Aaron Crumm, president of the cells' manufacturer, Ultra Electronics, AMI.
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