(30.7.2014) LandWarNet is the Army’s portion of the DoD information enterprise, and it encompasses the IT contributions of all Army activities, agencies, and components. It is the Army’s single, global, information enterprise that provides information technology (IT) capabilities, services, and information securely to Army users and Unified Action Partners. GuardNet XXI is the ARNG’s portion of the DoD’s information enterprise. Within the overall context of LandWarNet, some IT systems (e.g., GuardNet) are separate and distinct from other IT systems due to their unique statutory, regulatory, and operational requirements. As a mission enabler, it is continually evolving to meet the changing mission and business needs of the Army, including the changing threat environment, and to incorporate advances in IT that sustain or increase technological overmatch. In addition, the LandWarNet architectural paradigm is changing from a loose federation of stovepiped IT systems, to a single, integrated, service-oriented, shared environment.