By 
Seventeen companies have signed Space Act Agreements with NASA to participate in the agency’s first Urban Air Mobility Grand Challenge, a series of technology demonstrations meant to test the readiness of vehicles and systems intended for use in low-altitude, urban airspace. Joby Aviation was the only company selected to provide a vehicle to fly in the initial event, termed the Grand Challenge Developmental Test (GC-DT) by NASA, set to take place later this year. GC-DT is meant as a preparatory…
