# Defense Intelligence Agency **Entity class:** Organization or institution ## Definition The Defense Intelligence Agency (DIA) is a United States Department of Defense combat-support agency that produces foreign military intelligence for defense decision-makers and operational forces. ## Corpus Context DIA illustrates why “the Pentagon” in [[wiki/Pantheon S1E6 — You Must Be Caspian|Pantheon S1E6]] cannot be treated as one intelligence service. A defense establishment contains multiple collection, analysis, command and support organizations. ## Sources / Provenance - [Defense Intelligence Agency](https://www.dia.mil/) ## Relationships <!-- BEGIN HUMANIZED RELATIONSHIPS 2026-09-11 --> This entry's documented connections are expressed in its definition and related-work routes, with provenance retained in the source-linked material. <!-- END HUMANIZED RELATIONSHIPS 2026-09-11 -->