April 18, 2026 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 Built to fly Three MIT teams selected as finalists in NASA’s 2026 RASC-AL competition See all news