The Space Force’s deep-space radar hit a testing milestone in recent weeks, using seven of its antennas to track multiple satellites in orbit from a site in Australia.

The Deep Space Advanced Radar Capability, or DARC, is being built by Northrop Grumman to detect and track activity in geosynchronous orbit — from space debris to hostile movement that could harm U.S. or allied satellites.

The ground-based system is slated to be fully operational by 2027 and is the first of three radars the service is building as part of a partnership with Australia and the United Kingdom to improve their visibility into what’s happening on orbit .

The recent demonstration was part of DARC’s integration and testing phase, which started in the last few weeks. The radar will ultimately use 27 parabolic a

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