Author Topic: LIVE: Atlas-V - MUOS-5 - June 24, 2016  (Read 55872 times)

Offline psionedge

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Re: LIVE: Atlas-V - MUOS-5 - June 24, 2016
« Reply #280 on: 11/03/2016 06:14 PM »
Quote
From Space and Naval Warfare Systems Command Public Affairs

SAN DIEGO (NNS) -- The Navy's fifth Mobile User Objective System (MUOS) satellite has reached operational orbit and has successfully deployed its arrays and antennas.

On Oct. 22, the MUOS team raised the MUOS-5 satellite to an operationally-suitable orbit. The team completed a series of deployments of the satellite's solar arrays and antennas, with the last occurring successfully Oct. 30.

MUOS-5 launched June 24 from Cape Canaveral Air Force Station and experienced a failure of its orbit raising propulsion system that halted the satellite's transfer orbit maneuver to its geosynchronous test orbit. The MUOS team ensured the satellite remained stable, safe, and under positive control while it investigated the issue and examined options.

"We are very proud of the commitment our team members demonstrated," said Capt. Joe Kan, program manager for the Navy Communications Satellite Program Office. "Working together with industry, we were able to execute an alternative propulsion method to maneuver MUOS-5 to reach a position that is operationally suitable."

MUOS-5 is scheduled to begin on-orbit Nov. 3. It will complete the five-satellite MUOS constellation once on-orbit testing is complete.

"The system will undergo on-orbit testing before final acceptance of the system by the Navy and offering it up for operational use," said Cmdr. Jason Pratt, MUOS principal assistant program manager. "The satellite and its payloads will go through rigorous tests with our ground systems and terminals to make sure everything operates properly."

The MUOS system is designed to provide improved communications capabilities to users around the world, regardless of where they are in relation to a satellite. The MUOS constellation and associated ground network will provide 3G-like cellphone communications for the next decade and beyond.

The Navy's Program Executive Office for Space Systems, located at the Space and Naval Warfare Systems Command in San Diego, is responsible for the MUOS program.

For more information, visit http://www.navy.mil, http://www.facebook.com/usnavy, or http://www.twitter.com/usnavy.

For more news from Space and Naval Warfare Systems Command, visit http://www.navy.mil/local/spawar/ or http://www.public.navy.mil/spawar/PEOSpaceSystems/.
http://www.navy.mil/submit/display.asp?story_id=97520

Offline jacqmans

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Re: LIVE: Atlas-V - MUOS-5 - June 24, 2016
« Reply #281 on: 11/04/2016 07:20 PM »
MUOS-5 Secure Communications Satellite Reaches Orbit, Begins Pre-Operational Testing

4-Nov-2016 11:34 AM

SUNNYVALE, Calif. , Nov. 4, 2016 /PRNewswire/ -- The fifth Mobile User Objective System (MUOS) satellite built by Lockheed Martin (NYSE:LMT) for the U.S. Navy has reached orbit, successfully deployed its solar arrays and antennas, and is beginning pre-operational, on-orbit testing.

Originally launched from Cape Canaveral Air Force Station on June 24 , MUOS-5 experienced an anomaly with its orbit raising propulsion system on its way to geosynchronous orbit on June 29 . Out of caution, the Navy and Lockheed Martin engineering team immediately placed the satellite in a safe mode in transfer orbit as they investigated and examined their options.

"In the end, the Navy and Lockheed Martin engineering team were able to isolate the issue and develop a work-around using alternative propulsion," said Mark Woempner , director of Narrowband Communications Systems at Lockheed Martin . "Once we had a plan together, in early October we carefully re-started orbit raising maneuvers."

MUOS-5 completed orbit raising on Oct. 22 , and successfully deployed its solar arrays for power generation and its antennas for mission operations on Oct. 30 . The satellite will begin on-orbit testing before being turned over to the Navy for further testing and eventual commissioning into service.

For the Navy , MUOS-5 completes a network of orbiting satellites and relay ground stations that is revolutionizing secure communications for mobile military forces. Users with MUOS-capable terminals will be able to seamlessly connect beyond line-of-sight around the world and into the Global Information Grid, as well as into the Defense Switched Network. MUOS' capabilities include simultaneous, crystal-clear voice, video and mission data over a secure high-speed Internet Protocol-based system.

The MUOS network provides near-global coverage, including communications reach deep into polar regions. Once fully operational, the network will provide users with 16 times more communications capacity than the legacy system it will eventually replace.

The Navy's Program Executive Office for Space Systems and its Communications Satellite Program Office responsible for the MUOS program are based in San Diego . Lockheed Martin assembled and tested all five now-on-orbit MUOS satellites at its Sunnyvale, California , facility.

For additional MUOS information, photos and video visit: www.lockheedmartin.com/muos.

Offline psionedge

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Re: LIVE: Atlas-V - MUOS-5 - June 24, 2016
« Reply #282 on: 12/19/2016 03:17 AM »
Well, I've done everything I need to do. Hopefully the rest of the rest of the team proves out an operational bird. This has been a wild ride.

Offline jacqmans

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Re: LIVE: Atlas-V - MUOS-5 - June 24, 2016
« Reply #283 on: 04/25/2017 12:51 AM »
News Release Issued: Apr 24, 2017 (12:26pm EDT)

U.S. Navy's Fifth Lockheed Martin-Built MUOS Satellite Now Supporting Troops with Ultra High Frequency Communications

MUOS-5 Completes Global Military Cellular Network As Spare For Next-Generation Capabilities

SUNNYVALE, Calif., April 24, 2017 /PRNewswire/ -- The fifth Lockheed Martin (NYSE-LMT)-built Mobile User Objective System (MUOS-5) satellite is now delivering secure, beyond-line-of-sight communications to troops with legacy Ultra High Frequency (UHF) radios.

The U.S. Navy, working with Army Forces Strategic Command, configured one of MUOS-5's two communications payloads its legacy UHF payload to provide additional support for the Navy's legacy UHF satellite communications mission. Today, narrowband UHF communications is used by every Combatant Command in aircraft, ships, submarines, ground vehicles, as well as by troops in the field and special operations.

Eventually, legacy narrowband UHF communications will transition to next generation Wideband Code Division Multiple Access (WCDMA) capabilities provided by MUOS. To facilitate that transition, MUOS was intentionally designed with two communications payloads.

"Each MUOS satellite can simultaneously support both new WCDMA waveform capabilities and legacy UHF satellite communications," explained Mark Woempner, director of Narrowband Communications Systems at Lockheed Martin. "With MUOS 1-4 already on orbit providing near global WCDMA coverage, MUOS-5 will actively support legacy UHF communications and serve as an on-orbit WCDMA spare."

MUOS-5 is the latest edition to a network of orbiting satellites and relay ground stations that is revolutionizing communications for mobile forces. Users with new MUOS terminals will be able to seamlessly connect beyond line-of-sight around the world and into the Global Information Grid, as well as into the Defense Switched Network. MUOS' capabilities include simultaneous, crystal-clear voice, video and mission data over a secure high-speed Internet Protocol-based system.

More than 55,000 currently fielded radio terminals can be upgraded to be MUOS-compatible, with many of them requiring just a software upgrade.

Once fully operational, MUOS will provide users with more than 10 times the communications capacity of the legacy system it will replace. The network provides near-global coverage, including communications into polar regions. MUOS also has demonstrated successful communication of Integrated Broadcast Service (IBS) messages to in-flight test aircraft.

"The industry team for MUOS is an incredible partnership. Next for MUOS, we are laser-focused on bringing the complete system to full operational capability for the Navy," said Woempner. "Early combatant commander testing began in July 2016, and we have already received valuable user feedback and are working to rapidly incorporate their needs into the system."

MUOS-5 begins this transition after successful completing post-launch, on-orbit testing on January 19. The satellite completed orbit raising and successfully deployed its solar arrays and antennas for mission operations on Oct. 30, 2016.

Originally launched on June 24, 2016, MUOS-5 experienced an anomaly with its orbit raising propulsion system on its way to geosynchronous orbit. The Navy and Lockheed Martin engineering teams were able to isolate the issue and deliver MUOS to operational orbit using alternative propulsion.

The Navy's Program Executive Office for Space Systems and its Communications Satellite Program Office responsible for the MUOS program are based in San Diego, California. Lockheed Martin assembled and tested all five now-on-orbit MUOS satellites at its Sunnyvale, California, facility.

For additional MUOS information, photos and video visit: www.lockheedmartin.com/muos

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