The message of this report appeared in the Main Office United States. The main reason for the possible deterioration of space navigation system GPS in 2010 - late replacement satellite system reached the end of their service life, due to the excess of expenditure allocated budget for its support. GPS system is a U.S. Department of Defense to determine the coordinates of objects on the Earth's surface. The system has 31 satellites. Russian analog - the GLONASS system, the system consists of 20 satellites.