The fifth satellite of the U.S. Navy’s Mobile User Objective System (MUOS-5) at Lockheed Martin’s Sunnyvale, California satellite manufacturing facility in January 2016. Lockheed Martin photo.

The U.S. military's MUOS-3 tactical communications satellite is enshrouded in a nose cone fairing in preparation for its launch atop a United Launch Alliance Atlas V rocket on Jan. 20, 2015.

The third Mobile User Objective System (MUOS) satellite, which was launched by the US Navy on 20 January, has started responding to commands. The satellite was built by Lockheed Martin. An ...

MUOS-4, the final satellite in the Mobile User Objective System array, was launched early Wednesday after a two-day delay from tropical storm conditions. Three hours after its ascent, operators on the ...

The MUOS-4 satellite launched at 6:18 a.m. EDT this morning aboard a United Launch Alliance Atlas V rocket from Cape Canaveral Air Force Station, Florida, according to a Lockheed Martin statement. A ...

CAPE CANAVERAL AIR FORCE STATION, Fla. -- The Navy's second Mobile User Objective System satellite was launched July 19 at 9:00 a.m. EDT from Space Launch Complex 41. The successful launch ...

The Mobile User Objective System (MUOS) is a tactical military satellite communications (SATCOM) system with push-to-talk, cell phone-like capabilities for deployed warfighters. MUOS is the ...

The MUOS-4 preparing to be launched in 2015. Lockheed Martin Photo. The fourth satellite that will make up the Navy’s high bandwidth next generation communication constellation has been accepted ...

Marines at a Field User Evaluation in Camp Pendleton, California tested out the MUOS satellite communications system. (Eddie Young/Marine Corps) U.S. Strategic Command has approved the Navy’s new ...

SAN DIEGO -- Navy military and civilian engineers are preparing the latest military communications satellite for a planned Jan. 20 launch from Cape Canaveral Air Force Station, Florida.

On top of the rocket was the fourth satellite in the Navy's $7.6 billion Mobile User Objective System, or MUOS. The system is designed to help troops on the move and in combat make secure calls ...

The third Mobile User Objective System (MUOS) satellite, which was launched by the US Navy on 20 January, has started responding to commands. The satellite was built by Lockheed Martin. An ...