The Navy's on-orbit, five-satellite constellation, the Mobile User Objective System (MUOS), began providing legacy satellite communications shortly after the first MUOS satellite launch in 2012.

Around 10,000 people demonstrated on March 30 in Niscemi near Caltanissetta in Sicily against the proposed creation of the M.U.O.S. (Mobile User Objective System), a ultra-high-frequency satellite ...

has become the first unit to successfully use the Mobile User Objective System (MUOS) function of the Army/Navy Portable Radio Communications (AN/PRC) 158 and 162 radios for conventional rotary ...