Internet in the United States Internet in the United States The Internet in the United States grew out of the ARPANET, a network sponsored by the Advanced Research Projects Agency of the U.S. Department of Defense during the 1960s. The Internet in the United States in turn provided the foundation for the worldwide Internet of today. Internet access in the United States is largely provided by the private sector and is available in a variety of forms, using a variety of technologies, at a wide range of speeds and costs. In 2015, 97.5% of Americans were using the Internet, which ranks the U.S. 4th out
Defense Information System Network Defense Information System Network The Defense Information System Network (DISN) has been the United States Department of Defense's enterprise network for providing data, video and voice services for 40 years. The Defense Information System Network (DISN) is a worldwide-protected telecommunications network. The DISN end-to-end infrastructure is composed of three major segments: The DISN provides the following multiple networking services: Sensitive but Unclassified (NIPRnet) Secret Data Services (SIPRnet) Multicast The Organizational Messaging Service provides a range of assured services to the customer community that includes the military services, DoD agencies, Combatant Commands (COCOMs), non-DoD U.S. government activities and the Intelligence Community