Army soldiers assigned to the 25th Infantry Division, Schofield Barracks, Hawaii, participate in a test of the MUOS. Credit: US Navy Photo / Released.

The US Navy has completed a multiservice operational test and evaluation of the Mobile User Objective System (MUOS) and declared it ready for full operational use.

A series of critical test and evaluation phase events involving the next-generation narrowband military satellite communications system has showcased its full operational capability.

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MUOS is ready for the transition into unrestricted operations.

Following the assessment, the navy has declared the system as ‘operationally effective, operational suitable and cyber survivable’.

MUOS is a navy-led effort that provides narrowband, beyond line of-sight, point-to-point, and netted communication services.

The satellite-based communications network serves the Department of Defense (DoD) and other government organisations.

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The test and evaluation phase evaluated the performance and suitability of MUOS in an operationally representative environment.

The navy’s Operational Test and Evaluation Force was assisted by representatives from the US Army and Marine Corps.

US Navy PEO C4I and Space Systems lead John Pope said: “Sailors and marines can already use MUOS in situations like humanitarian response, disaster assistance and training.

“Now, these same advanced communications capabilities will be available in the tactical warfare environment. The advantages MUOS provides will help the warfighter compete, deter and win on the battlefield.”

MUOS is an on-orbit five-satellite constellation that will provide 16 times the capacity of the legacy system.

Each of the satellites carries two payloads supporting both the UHF satellite communications system and the Wideband Code Division Multiple Access (WCDMA) waveform capabilities.

The WCDMA capability will provide enhanced effectiveness, information security and global reach for operational missions.

MUOS will meet user requirements such as operational availability, mobility, and high data rates.

Navy Communications Satellite Program Office programme manager captain Chris DeSena said: “This is the last critical milestone before turning MUOS over for full operations and I am very proud of the entire team that contributed to this outstanding achievement.

“The capability MUOS brings to the warfighter is revolutionary in terms of narrowband communications, and I look forward to seeing the potential of MUOS fully realised.”