original_query: What was the purpose of the 3rd Coastal Artillery Brigade?
query: What was the purpose of the 3rd Coastal Artillery Brigade?
answer: The 3rd Coastal Artillery Brigade (KAB 3), raised in 1956, was under the Vaxholm Coastal Artillery Regiment.  Its war organization included a staff on Järflotta and three barrier battalions (Ornö, Mellsten, and Askö). In 1994, it was separated from the regiment and reorganized into the Södertörn Marine Brigade.