# Common Synthetic Environment **Entity class:** Army simulation environment **Aliases:** CSE ## Definition The **Common Synthetic Environment (CSE)** is the shared digital environment instantiated by Army simulation software so live, virtual, constructive, and gaming participants can train in connected representations of terrain, forces, events, and mission systems. ## Relationships - **instantiated and managed by:** [[wiki/Training Simulation System and Training Management Tool|TSS/TMT]]. - **terrain layer:** [[wiki/One World Terrain|One World Terrain]]. - **force and behavior layer:** [[wiki/OneSAF|OneSAF]] and [[wiki/Next Generation Constructive|NGC]]. - **enterprise:** [[wiki/Synthetic Training Environment|Synthetic Training Environment]]. - **analytic overlay:** a machine-scale environment produced by the [[wiki/Producer Function|Producer Function]]. ## Sources / Provenance - [CPE ST3 — TSS/TMT](https://cpest3.army.mil/Project-Offices/PM-SIM/-PdM-CSE/TSS-TMT/)