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UPD exceeds Guiness record on 2kW Hybrid Power, Part 107, UAS Maiden Test FlightTracy Barkhimer2021-01-14T02:57:57+00:00December 16th, 2019|
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Principles for Improving Defense AcquisitionTracy Barkhimer2021-01-14T02:34:56+00:00February 28th, 2017|