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 Message System Defense Message System The Defense Message System or Defense Messaging System (DMS) is a deployment of secure electronic mail and directory services in the United States Department of Defense. DMS was intended to replace the AUTODIN network, and is based on implementations of the OSI X.400 mail, X.500 directory and X.509 public key certificates, with several extensions to meet the specific needs of military messaging. DMS is sometimes operated in conjunction with third party products, such as the Navy's DMDS (Defense Message Dissemination System), a profiling system that takes a message and forwards it, based on message criteria, to parties