SkyTerra Communications delivers mobile wireless voice and data services primarily for public safety, security, fleet management and asset tracking in the U.S. and Canada.The company's next-generation integrated satellite-terrestrial communications network is expected to provide seamless, transparent and ubiquitous wireless coverage of the United States and Canada to conventional handsets.When completed, the network will support communications in a variety of market segments, including public safety, homeland security, aviation, transportation and entertainment, by providing a platform for interoperable, user-friendly and feature-rich voice and high-speed data services.