defense information systems agencyglossary / DEFENSE INFORMATION SYSTEMS AGENCY Defense Information Systems Agency. An agency in the U.S. Department of Defense responsible for developing and operating information systems to provide combat support for the armed forces. — Abbr. DISA. 词条贡献者 译者Eugina,毕业于一所旨在培养高级翻译专业人才的翻译院校,擅长翻译涉及国防和军工领域的法律文件。