NASA/NSSC intends to issue a sole source contract to TELEMETRY & COMMUNICATIONS SYSTEMS, INC. for MOF3 TCS - Upgrade Uplink Capability & Service Maintenance, as they are the sole provider. Performance will be located at NASA/Armstrong Flight Research Center (AFRC). Interested organizations may submit their capabilities and qualifications in writing by 4:00 p.m. Central Standard Time on 7/16/2026 for evaluation to determine if competition is possible. The procurement is for commercial items under NAICS Code 334220. No budget amount is specified.