The personnel and the assets of the RBS Division became the 1st Electronic Combat Range Group on 1 July 1989 when the 1CEVG was split, and other 1CEVG organizations transferred to SAC headquarters.
The RBS Division's personnel and assets were integrated into the 1st Electronic Combat Range Group on July 1, 1989, as a result of the 1CEVG's reorganization and the transfer of its other components to SAC headquarters.