SINGAPORE, July 23 — Singapore is committing S$4 billion (RM12.7 billion) over the next 15 years to overhaul its air navigation services, a massive investment designed to cement...

Changi Airport is also progressing towards three-runway operations by the end of the decade.

SINGAPORE, July 23 — Singapore is committing S$4 billion (RM12.7 billion) over the next 15 years to overhaul its air navigation services, a massive investment designed to cement...