This week the Federal Aviation Administration (FAA) expanded its Pathfinder Program by signing the Cooperative Research and Development Agreements (CRDAs) with Gryphon Sensors, Liteye Systems, Inc. and Sensofusion to add to the detection and identification of unmanned aircraft systems (UAS)—or drones—that are flying too close to airports.  FAA Senior Advisor on UAS integration, Marke Gibson,…