On November 14, 2010 at 17:29 UTC the Russian "Proton M” rocket-carrier with the "Briz-M” upper stage was launched from Baykonur Cosmodrome.
The rocket orbited the American MSV-1 (Mobile Satellite Ventures 1) [SkyTerra 1] communication satellite.
The MSV 1/SkyTerra1 with its flight mass of 5390 kilograms is designed and fabricated by Boeing Satellite Systems for the U.S. operator Light Squared. The launch services were contracted by International Launch Services Inc. (ILV), Reston, VA.