July 11, 2025 C. Chin, M. Z. Li, K. Gopalakrishnan, and H. Balakrishnan. “Airport Ground Holding with Hierarchical Control Objectives,” US-Europe ATM R&D Seminar, September 2021. Share this Related Stories See all news Supporting mission-driven space innovation, for Earth and beyond Nicole McGaa earns NSF Graduate Research Fellowship for bioastronautics research See all news