The Supplement to the Presidents FY 2005 Budget reports on the FY 2004 research and development R and D activities and FY 2005 plans of the multiagency Networking and Information Technology Research and Development NITRD Program. A collaborative effort of many Federal agencies listed on pages 2-3, the NITRD Program is the Nations principal source of long-term, fundamental information technology IT R and D, including advanced technologies in high-end computing systems and software, high-speed networking, software assurance and reliability, human-computer interaction, and information management, as well as research in the socioeconomic and workforce development implications of these new technologies. Each year, the NITRD Supplement to the Presidents Budget, also known asthe Blue Book,` seeks to illuminate the breadth of the NITRD portfolio and the impact of NITRD research advances on U.S. leadership in national defense and national security, cutting-edge science and technology, and economic prosperity, and on improving the quality of life for all Americans.