EXHIBIT 99.1

                      Press Release Dated February 28, 2006

[Motient Logo]

Media Contacts:
Winnie Lerner
Jessica Liddell
Abernathy MacGregor
212/371-5999

      Motient Corporation Announces Appointments to its Board of Directors


February 28, 2006 - Lincolnshire, IL - Motient Corporation (MNCP) today
announced the appointment of two highly qualified, independent directors, David
Grain and David Meltzer, to its Board of Directors, effective immediately.
Motient also announced that it intends to appoint up to three additional
independent directors within the coming weeks.

"Over the past several weeks, we have been working diligently to add directors
who best represent shareholder interests, and are quite pleased that two such
highly regarded industry experts are joining our Board. Messrs. Grain and
Meltzer both posses a wealth of industry knowledge and experience and an
independent perspective that will be an invaluable asset as we move forward in
the development of Motient's strategic plan, including the development of MSV's
and TerreStar's hybrid satellite-terrestrial communications systems. We are
confident that these new Board members will bring additional perspectives to
those of our existing, experienced Board members and that, together, the Board
will continue to pursue the best interests of all of our shareholders," said
Gerald Kittner, Motient's Chairman of the Company's Nominating Committee.

David Grain is the founder of Grain Capital, a private equity and venture
capital firm that invests primarily in the wireless telecommunications sector.
Previously, he served as President of Global Signal Inc., formerly known as
Pinnacle Towers, one of the largest independent wireless communications tower
companies in North America. Prior to joining Global Signal, Mr. Grain served as
Senior Vice President of AT&T Broadband's New England Region.

David Meltzer is currently the Senior Vice President for International Services
for the American Red Cross. He previously served as General Counsel and
Executive Vice President for Regulatory Affairs for INTELSAT, the world's
largest satellite communications company, through February 2005. Prior to that,
Mr. Meltzer was a Senior Director in the Corporate Restructuring Division of
INTELSAT and had previously served as a Director in the INTELSAT Procurement
Division.

About Motient Corporation:

Motient is a nationwide provider of terrestrial wireless data solutions for
Fortune 500 companies and the small to medium size enterprise business market.
Motient provides access to multiple networks platforms, including GPRS, 1XRTT
and its own DataTac Network. Motient simplifies the wireless experience for
application providers, hardware vendors, value added resellers and customers by
offering proprietary applications, one source support and wireless consulting
services that enhance the performance, efficiency and cost-effectiveness of
enterprise wireless networks.




Motient is also the controlling shareholder of TerreStar Networks Inc., a
development-phase satellite communications company, and a minority shareholder
of Mobile Satellite Ventures, LP, an established satellite communications
company. TerreStar and MSV are both in the process of developing next-generation
hybrid networks that plan to provide ubiquitous wireless service by integrating
land-based towers and powerful satellites. These new networks will deliver
services to standard wireless devices everywhere in North America. For
additional information on Motient, please visit the company's website at
www.motient.com.

Other Information
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Motient Corporation and its directors and executive officers may be deemed to be
participants in the solicitation of proxies or consent revocations from
stockholders of Motient. Information regarding the names of Motient's directors,
executive officers and their respective interests in Motient by security
holdings or otherwise is set forth in Motient's proxy statement relating to the
2005 annual meeting of stockholders, which may be obtained free of charge at the
SEC's website at www.sec.gov and Motient's website at www.motient.com.

Motient Corporation intends to file a Proxy Statement or Consent Revocation
Statement on Schedule 14A with the SEC. Investors and security holders are
advised to read Motient's Proxy Statement or Consent Revocation Statement, when
it becomes available, because it will contain important information. Investors
and security holders may obtain a free copy of the Proxy Statement or the
Consent Revocation Statement on Schedule 14A (when filed) free of charge at the
SEC's website at www.sec.gov. Motient Corporation also will provide a copy of
these materials without charge on its website at www.motient.com.

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