NextGen airspace modernization (2003–present)
The FAA launched a multi-decade program to shift air traffic control from ground-based radar to satellite navigation, guided by industry advisory groups and concept-of-operations documents refined over years.
Early segments delivered fuel savings, but many major components slipped on cost and schedule.
NextGen showed that transforming national airspace is a decades-long coordination problem, not a technical one.
Sky for All's planning-layer approach mirrors NextGen's stakeholder-heavy design, and inherits the same risk that ambitious timelines slip.
