(ASACS), looked after by ASACS Force Command. It has Remote Radar Heads (RRH) at:
* RRH Benbecula in the Outer Hebrides
* RRH Saxa Vord in Shetland (AN/TPS-77 radar moved from RRH Staxton Wold)
* RRH Buchan (former Master Radar Station, or MRS, Buchan) off the A90 south