The US' GPS Next-Generation Operational Control System, developed by RTX for $8B+, remains non-operational nine months after the Space Force took ownership (Stephen Clark/Ars Technica)

Stephen Clark / Ars Technica: The US' GPS Next-Generation Operational Control System, developed by RTX for $8B+, remains non-operational nine months after the Space Force took ownership — Last year, just before the Fourth of July holiday, the US Space Force officially took ownership of a new operating system …