The system was deployed in the late 1950s and 1960s at unmanned radar facilities (called "Gap Fillers") designed to fill the low-altitude gaps between manned long-range radar stations.
Sistem ini digunakan di akhir 1950-an dan 1960-an di fasilitas radar tak berawak (disebut "Gap Fillers") dirancang untuk mengisi kesenjangan ketinggian rendah antara stasiun radar berawak jarak jauh.