Spaceflight Insider

News Archive / Tagged: Mobile User Objective System

  • MUOS-5 Now Supporting Troops with UHF Communications

    Paul KnightlyApril 28th, 2017

    The fifth Mobile User Objective System (MUOS-5) satellite is now delivering secure communications to troops using its Ultra High Frequency (UHF) telecommunications system. This comes as the U.S. Navy, partnered with the Army Forces Strategic Command, have worked to bring MUOS-5 into operation after it successfully completed on-orbit testing on January 19, 2017.

  • MUOS-5 satellite starts pre-operational testing

    Jason RhianNovember 6th, 2016

    The fifth, and final, MUOS satellite has reached its intended orbit and has started pre-operational testing. With the spacecraft's solar array and antennas now deployed, it marks a turning point for the satellite which encountered a problem with its propulsion system.