Radar, Field Artillery, No 15, better known as Cymbeline, was a widely British mortar locating radar operating in the I Band using a Foster scanner. It was developed by Thorn-EMI and was in British service from 1975 until about 2003 with the Royal Artillery. Cymbeline was more accurate than Green Archer and a lot more mobile. Although mortar locating was its primary role is was capable of various other tasks.