January 15, 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 Mina Cezairli and Lilly Etzenbach selected for Aviation Week Network’s “20 Twenties” Class of 2026 Study: More eyes on the skies will help planes reduce climate-warming contrails See all news