NASA’s Urban Air Mobility Grand Challenge Advances with Agreement Signings

[rNASA’s Urban Air Mobility Grand Challenge Advances with Agreement Signings NASA has signed Space Act Agreements with 17 companies in the aviation industry to advance plans for the first in a series of technology demonstrations known as the Urban Air Mobility (UAM) Grand Challenge. Source: NASA Breaking news http://www.nasa.gov/press-release/nasa-s-urban-air-mobility-grand-challenge-advances-with-agreement-signings