The Air and Coastal Defense Command or ACDC (Thai: หน่วยบัญชาการต่อสู้อากาศยานและรักษาฝั่ง) or shortly called in Thai as (Thai: สอ.รฝ.) is the Anti-aircraft warfare and Coastal defence force of the Royal Thai Navy. This Command is composed of the two Air Defence Regiment and one Coastal Defence Regiment.Even though they are artillerymen, but they are trained in skills related to self-defense on the battlefield if the fire base is attacked or attacked while moving. However, they are trained protecting equipment, facilities and operations from threats or hazards in order to preserve operational effectiveness.