# United States Army Corps of Engineers **Entity class:** United States Army engineering organization **Aliases:** USACE **Maturity:** Developed ## Definition The **United States Army Corps of Engineers (USACE)** supplies military engineering, civil works, emergency-management, structural-assessment, and technical capabilities. Its Structures Specialist Cadre augments FEMA urban-search-and-rescue operations during structural-collapse incidents. After the Oklahoma City bombing, Tulsa District structural engineers monitored the damaged Murrah Building, advised rescue teams, protected personnel during debris removal, and supported the eventual demolition of the remaining structure. ## Relationships - **part of:** United States Army and Department of Defense. - **supports:** FEMA and state/local responders under emergency authorities. - **case:** [[wiki/Oklahoma City Bombing|Oklahoma City Bombing]]. - **domain:** [[wiki/Military Support to Civilian Counterterrorism|Military Support to Civilian Counterterrorism]]. ## Sources / Provenance - [USACE — Urban Search and Rescue Program](https://www.usace.army.mil/Media/Fact-Sheets/Fact-Sheets-View/Article/3439326/the-urban-search-and-rescue-program/) - [U.S. Army — engineers recall Oklahoma City response, April 20, 2015](https://www.army.mil/article/146769/army_engineers_recall_role_in_response_recovery_after_oklahoma_city_bombing)