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Mobile User Objective System
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<p>The Mobile User Objective System (MUOS) is a <a href="/facts/United_States_Space_Force/bWlsxC5D">United States Space Force</a> <a href="/facts/Narrowband/76nBsRml">narrowband</a> <a href="/facts/Military_satellite/nLyVkEy1">military</a> <a href="/facts/Communications_satellite/y5RXPMDT">communications satellite</a> system that supports a worldwide, multi-service population of users in the <a href="/facts/Ultra_high_frequency/S6XDUaDY">ultra high frequency</a> (UHF) band. The system provides increased communications capabilities to newer, smaller terminals while still supporting interoperability with legacy terminals. MUOS is designed to support users who require greater mobility, higher <a href="/facts/Bit_rate/ppUNMmVd">bit rates</a> and improved operational availability. The MUOS was declared fully operational for use in 2019. </p>