Mobile communications provider TerreStar Networks Inc. (TerreStar), a majority-owned subsidiary of TerreStar Corporation (NASDAQ:TSTR), announced on August 27th, 2009 from Reston, VA the successful completion of in-orbit testing (IOT) for TerreStar-1, the world's largest, most advanced commercial communications satellite. This successful IOT came in short order after the successful launch of TerreStar-1 on July 1st, 2009 and the first successfully completed phone call over TerreStar-1 using TerreStar handsets on July 20th, 2009. Details concerning the successful IOT and launch of TerreStar-1 can be found at: TerreStar Announces Successful Completion of Satellite In-Orbit Testing and TerreStar Successfully Launches World's Largest, Most Powerful Commercial Communications Satellite.