a. DoDN (GIG): Department of Defense Global Information Grid is a never ending network of information capabilities for collecting, processing, storing, and managing information on demand to ships, jets, personnel on the ground and at sea.
b. DISN: Defense Information System Network Video Services are part of the Defense Information Systems Agency (DISA), Global Information Grid (GIG), Combat Support (NS5), which is responsible for managing and overseeing VTC operations on the Defense Information System Network (DISN). Locations: CONUS (Continental United States), Europe, PAC (Pacific) SWA (Southwest Asia)
c. NMCI: The Navy Marine Corps Intranet (NMCI) is the first-of-its-kind approach to information services consolidation, technology standardization and enterprise-wide oversight of network operations in the Department of Defense. NMCI is far more than just a network for the Navy and the Marine Corps—it is a unified, stable and secure IT platform that supports broader strategic objectives and advances the Navy's transition to a net-centric environment.
d. ONENET: A Navy-wide initiative to install a common and secure IT infrastructure to OCONUS Navy locations. It is based on the Navy-Marine Corps Intranet (NMCI) architecture and is designed to be interoperable with IT-21, NMCI, and the Global Information Grid in the near future.
e. IT21: The security posture for each IT-21 FLTNOC is independently administered but centrally governed by the Chief of Naval Operations (CNO)/NETWARCOM Unclassified Trusted Network Protect (UTN Protect) firewall policy. Used afloat