# Air Route Surveillance Radar

> radar system of the United States used to monitor internal and border airspace

**Wikidata**: [Q4698171](https://www.wikidata.org/wiki/Q4698171)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Air_Route_Surveillance_Radar)  
**Source**: https://4ort.xyz/entity/air-route-surveillance-radar