Global Information Grid

Global Information Grid
Name	Global Information Grid
Developer	United States Department of Defense

Global Information Grid. The Global Information Grid is a globally interconnected, end-to-end set of information capabilities, associated processes, and personnel for collecting, processing, storing, disseminating, and managing information on demand to warfighters, policy makers, and support personnel. It is the foundational framework for Department of Defense net-centric warfare and is designed to provide a secure and seamless flow of information across all echelons of command. The system integrates a vast array of existing and future systems, from satellite communications to tactical data links, into a unified enterprise.

Overview

The concept was formally articulated by the DoD in the late 1990s as a response to the information technology revolution and lessons from conflicts like the Gulf War. Its development is overseen by the Defense Information Systems Agency (DISA) in alignment with strategies from the Office of the Secretary of Defense. The GIG is intended to support all United States Armed Forces operations, including those conducted by United States Army, United States Navy, United States Air Force, United States Marine Corps, and United States Space Force personnel, across the full spectrum of conflict. It represents a critical shift from platform-centric to network-centric operations, enabling shared situational awareness and collaborative planning.

Architecture

The architecture of the GIG is defined by the GIG Integrated Architecture, which provides a comprehensive framework for capabilities and standards. It is built upon a service-oriented architecture (SOA) model, promoting interoperability and reuse of services across different military domains. Key architectural principles include net-centricity, data strategy, and a focus on Internet Protocol-based standards to ensure seamless connectivity. The architecture encompasses multiple security domains and is designed to be resilient, supporting operations even in contested or degraded environments, a concept tested in exercises like Millennium Challenge 2002.

Components

The physical components are extensive and include all owned and leased communications and computing systems across the Department of Defense. This encompasses foundational satellite constellations like the Milstar and Advanced Extremely High Frequency systems, terrestrial and undersea fiber-optic cables, and myriad tactical networks such as the Joint Tactical Radio System. Computing infrastructure includes data centers operated by DISA and the National Security Agency, while end-user devices range from command center workstations to handheld units used by soldiers in the field. Software components include the Distributed Common Ground System and the Joint All-Domain Command and Control (JADC2) ecosystem.

Implementation and Deployment

Implementation has been a gradual, evolutionary process managed through major acquisition programs and incremental capability releases. Key initiatives have included the Net-Enabled Command Capability (NECC) and the consolidation of networks under the Joint Information Environment (JIE) construct. Deployment spans the globe, supporting commands like United States European Command (EUCOM) and United States Indo-Pacific Command (INDOPACOM), and is integral to operations from the War in Afghanistan to routine exercises with allies like NATO. Fielding new capabilities often involves rigorous testing at facilities like the Joint Interoperability Test Command.

Security and Management

Security is paramount, governed by policies from the Committee on National Security Systems and implemented through a defense-in-depth strategy. The Department of Defense Information Network (DoDIN) is the operational construct for managing and defending the GIG. Key security programs include the Defense Information Systems Network (DISN) and the use of Public Key Infrastructure for authentication. Management responsibilities are shared among DISA, the United States Cyber Command, and the service-specific network operations centers, which continuously monitor for threats from adversaries such as the People's Liberation Army or Russian Armed Forces.

Role in Network-Centric Warfare

The GIG is the central nervous system for network-centric warfare, a doctrine heavily influenced by the work of the Office of Force Transformation and Vice Admiral Arthur K. Cebrowski. It enables key tenets like shared awareness, increased speed of command, and mission effectiveness by linking sensors, such as those on the E-3 Sentry or RQ-4 Global Hawk, directly to shooters like the F-35 Lightning II. This connectivity was demonstrated in operations against Islamic State of Iraq and the Levant and is being advanced through the Joint All-Domain Command and Control (JADC2) initiative to further integrate assets from all services and domains.

Category:United States Department of Defense Category:Military communications Category:Command and control