IT-21

AcronymDefinition
IT-21Information Technology for the 21st Century (US Navy IT program to improve shipboard communications and computing capability)
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"NMCI will provide a global network architecture to enhance interoperability with shipboard IT-21 and Marine Corps Tactical Network capabilities," said Danzig.
Typically delivered to the fleet in conjunction with a corresponding hardware refresh, COMPOSE is a key software component in the IT-21 vision for modernizing afloat networks.
C5I keeps IT-21 and the COMPOSE networks up and running.
It is based on the Navy Marine Corps Intranet (NMCI) architecture and is designed to be interoperable with IT-21, the NMCI and the Global Information Grid (GIG) in the future.
Navy forces afloat rely heavily on Information Systems Technician Sailors to maintain shipboard access and connectivity to IT-21. In fact, the Navy is "building a cadre of IT Sailors at sea who are very familiar with IT-21 operations, and who are becoming extremely literate in the management of tough technical issues with regard to IT connectivity," said Commander Naval Network and Space Operations Command (NNSOC), Rear Adm.
Developing a Web-enabled architecture, the team integrated resources from three major areas: Navy Marine Corps Intranet (NMCI)--ashore, Information Technology for the 21st Century (IT-21)--afloat, and Base Level Information Infra-structure (BLII)--overseas.