defense infrastructure sector is composed of networks and systems, principally for the distribution of the associated commodities. The Corps of Engineers is responsible for coordinating the assurance activities of the public works infrastructure sector. Global Information Grid Command Control, or GIG/C2 - The Global Information Grid Command Control, or GIG/C2, are two combined sectors that support overall asset assurance for CIP. The GIG is the globally interconnected set of personnel, information, and communication capabilities necessary to achieve information superiority. C2 includes assets, facilities, networks, and systems that support mission accomplishment. The Defense Information Systems Agency, or DISA, is the lead component responsible for Global Information Grid Command Control. Intelligence Surveillance, and Reconnaissance, or ISR - The Defense Intelligence, Surveillance and Reconnaissance infrastructure sector is composed of facilities, networks, and systems that support ISR activities such as intelligence production and fusion centers. The Defense Intelligence Agency, or DIA, is responsible for coordinating the assurance activities of this infrastructure sector. Health Affairs - The health care infrastructure consists of facilities and sites worldwide. Some are located at DoD installations; however, DoD also manages a larger system of non-DoD care facilities within its health care network. These health care facilities are linked by information systems. The Office of the Assistant Secretary of Defense, Health Affairs is the designated lead component for this sector. Personnel - The defense personnel infrastructure sector includes a large number of assets hosted on component sites, a network of facilities, and information systems linking those sites and facilities. In addition to being responsible for its own assets, the personnel infrastructure sector also coordinates commercial services that support the personnel function. These services include recruitment, record keeping, and training. The Defense Human Resources Activity is the designated lead component for the Defense Personnel infrastructure sector. Space - The defense space infrastructure sector is composed of both space- and ground-based assets including launch, specialized logistics, and control systems. Facilities are located worldwide on both DoD-controlled and private sites. The Defense Space sector is led by the United States Strategic Command, or USSTRATCOM. Logistics - The defense logistics sector includes all activities, facilities, networks, and systems that support the provision of supplies and services to U.S. forces worldwide. Logistics includes the acquisition, storage, movement, distribution, and maintenance of material and supplies. This sector also includes the final disposition of material no longer needed by DoD. The Defense Logistics Agency, or DLA, is