# United States Army **Entity class:** United States military service ## Definition The **United States Army** is the land service of the United States armed forces. Its mission infrastructure includes operational formations, installations, aviation, logistics, engineering, cyber, communications, training, experimentation, and the [[wiki/Army Intelligence and Security Enterprise|Army Intelligence and Security Enterprise]]. ## Relationships - **belongs to:** [[wiki/United States Department of Defense|Department of Defense]]. - **intelligence enterprise:** [[wiki/United States Army Intelligence|Army Intelligence]] and [[wiki/Army Intelligence and Security Command|INSCOM]]. - **installation:** [[wiki/Fort Bliss|Fort Bliss]]. - **digital modernization:** [[wiki/Project Convergence|Project Convergence]] and [[wiki/CJADC2|CJADC2]]. - **infrastructure initiative:** [[wiki/Army Data Center Enhanced Use Lease Program|Army Data Center EUL Program]]. ## Sources / Provenance - [U.S. Army — About](https://www.army.mil/about/)