# Project Director Sensors-Aerial Intelligence **Aliases:** PD SAI **Entity class:** Army acquisition and program office ## Definition **Project Director Sensors-Aerial Intelligence (PD SAI)** develops and fields Army aerial-intelligence sensors, processing, training, and related capabilities. It delivered the first [[wiki/Virtual Aerial Systems Trainer|VAST]] classroom to the 204th MI Battalion. ## Relationships - **supports:** [[wiki/ATHENA Aerial ISR|ATHENA]], [[wiki/HADES|HADES]], and aerial ISR modernization. - **delivered to:** [[wiki/204th Military Intelligence Battalion|204th MI Battalion]]. - **Army acquisition context:** intelligence and electronic-warfare modernization. ## Sources / Provenance - [U.S. Army — PD SAI VAST delivery](https://www.army.mil/article/285641/pd_sai_delivers_first_virtual_aerial_systems_trainer_classroom_to_the_army)