Since 1975, RPM has supplied numerous antenna positioning systems to all branches of the United States Military, both directly and through large system integrators such as Lockheed Martin and Northrop Grumman. RPM positioners and controllers have been tactically fielded in all areas of the battlefield environment, from shipboard and airborne applications such as Cobra GEMINI and the AN/SPQ-9B Lightweight Fire Control and Search Radar, to ground fixed and mobile applications such as Doppler and Artillery Locating Radar. RPM has worked with Lockheed Martin, Northrop Grumman, BAE Systems, L-3 and many others to supply Antenna Positioning Subsystems for almost every military radar test range in the United States, including China Lake, Barking Sands, White Sands, PMRF, Patuxent River and many others.