Space Force seeks Gen 2 ground multiband terminal

On September 27, the U.S. Space Force posted a sources sought notice for a Ground Multi-Band Terminal (GMT) Replacement – “Gen-2”. Responses are due by 4:00 p.m. Mountain time.

The current AN/TSC-179 GMT is a tactical satellite terminal providing satellite communication capabilities for current and future Air Force and joint-service Command, Control, Communications, Computer, Intelligence, Surveillance, and Reconnaissance (C4ISR) networks. The GMT is an interoperable, deployable, dual-hub satellite communications (SATCOM) terminal capable of operating on four Super High Frequency (SHF) bands on both military (X-, Ka-) and commercial (C-, Ku-) satellites. The system includes a 2.4 meter Small Aperture Antenna (SAA), or “Hub 1”, as well as a 3.9 meter Quad-band Large Aperture Antenna (QLAA), or “Hub 2”.

As a result of the Deactivation Memo signed by HQ USSF S3/6S in August 2020, end-of-life (EOL) was formally established for the GMT and QLAA effective end of FY26. Growing obsolescence issues on an aging system, the Department of Defense Chief Information Officer (DoD CIO) mandate gap of current design, and prohibitively high technical refresh costs will ultimately not permit continued sustainment of the GMT or QLAA beyond end of FY26. USAF MAJCOMs are procuring their own replacement terminal solution, but the GMT Program Office is responsible for acquiring terminals for three USSF units as tailored to their individual mission requirements.

The USSF, SSC, Military Satellite Communications Operations Support and Sustainment Division (SSC/ECPM) is now seeking sources to offer replacement terminal solutions, utilizing a Wideband Global SATCOM (WGS) Certified and Commercial-Off-The-Shelf (COTS) terminal.  It is anticipated that 15 small aperture and 15 large aperture systems will be procured. The requirement for a replacement terminal or “Gen-2” GMT solution is needed for procurement and fielding NLT end of FY25 to ensure there is no gap in capability before system EOL. The Government intends to award a contract for the procurement and sustainment for two SATCOM terminal systems, one for each of the two listed sizes of antenna.

Review the full ground multiband terminal sources sought.

Source: SAM

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