September 23, 2023 P. Vascik, H. Balakrishnan and R. John Hansman. “Assessment of Air Traffic Control for Urban Air Mobility and Unmanned Systems,” International Conference on Research in Air Transportation, June 2018. Share this Related Stories See all news Prof. Zack Cordero hosts workshop on materials challenges in reusable liquid-propellant rocket engines Oxygen-generating experiment MOXIE completes Mars mission See all news