In this paper, we present extensive advances inlive-fly field experimentation capabilities of large numbersof fixed-wing aerial robots, and highlight both the enablingtechnologies as well as the challenges addressed in such large-scaleflight operations. We showcase results from recent fieldtests, including the autonomous launch, flight, and landing of 50UAVs, which illuminate numerous operational lessons learnedand generate rich multi-UAV datasets. We detail the design andopen architecture of the testbed, which intentionally leverageslow-cost and open-source components, aimed at promoting continuedadvances and alignment of multi-robot systems researchand practice.
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