The document, the first full revision of overall space policy in 10 years, emphasized security issues, encouraged private enterprise in space, and characterized the role of U.S. space diplomacy largely in terms of persuading other nations to support U.S. policy. The United States National Security Council said in written comments that an update was needed to "reflect the fact that space has become an even more important component of U.S. economic security, national security, and homeland security." The military had become increasingly dependent on Communications satellites and GPS, as have providers of Mobile phones, personal navigation devices, and even automated teller machines.