# Virtual Aerial Systems Trainer **Aliases:** VAST **Entity class:** Army immersive aerial-ISR training system ## Definition The **Virtual Aerial Systems Trainer (VAST)** is an immersive Army training environment for aerial-ISR crews and sensor operators. The first classroom was delivered to the [[wiki/204th Military Intelligence Battalion|204th MI Battalion]] at Fort Bliss in 2025 to support emerging [[wiki/ATHENA Aerial ISR|ATHENA]] and [[wiki/HADES|HADES]] missions, including electronic-intelligence tasks. ## Relationships - **fielded by:** [[wiki/Project Director Sensors-Aerial Intelligence|PD SAI]]. - **first operational classroom:** [[wiki/204th Military Intelligence Battalion|204th MI Battalion]]. - **supports:** [[wiki/ATHENA Aerial ISR|ATHENA]] and [[wiki/HADES|HADES]]. ## Sources / Provenance - [U.S. Army — VAST delivery, May 19, 2025](https://www.army.mil/article/285641/pd_sai_delivers_first_virtual_aerial_systems_trainer_classroom_to_the_army)