United Space Alliance is one of the leading space operations companies in the world. Established in 1995, it operates the Johnson Space Center, Kennedy Space Center and Marshall Space Flight Center. The company s capabilities include mission planning and execution, trajectory design and analysis, and payload deployment and servicing. United Space Alliance offers services for NASA s space shuttle, international space station and provides constellation programs for clients in the commercial and international space industry sectors. The company maintains office locations in Alabama, California, Florida in the United States and Russia. It has a staff of more than 10,000 employees. In addition, it is owned by The Boeing Company and Lockheed Martin Corporation.