Commercial satellites are used to provide a variety of fixed satellite services, ranging from consumer satellite television and broadband to military communications in remote regions. This book examines the changes that have occurred in the fixed satellite services industry since 2000 and the effects these changes could have on the relationship between satellite operators and service providers. Also discussed is the commercial communications industry's use of and reliance on the GPS, in accordance with White House direction to tailor the effort to enable a quick response. The National Security Telecommunications Advisory Committee (NSTAC) notes that reliance on GPS signals in military, maritime, aviation, and other civil environments varies widely depending on the specific use and application.