This is a Request for Information (RFI) for the Threat Systems Operations and Maintenance Support Services (TSOMIS) program, seeking vendor capabilities for operating and maintaining threat systems to provide realistic Electronic Warfare and Cyberspace Operations training. The scope includes O&M support for systems like jammers and radars, and creating "free play" training environments at locations including Combat Training Centers and White Sands Missile Range, New Mexico. The government is seeking information on corporate experience, technical capabilities, and encourages responses from companies interested in teaming as primes or subcontractors. Interested firms must have a Top-Secret facility clearance. No budget information is specified in this RFI.