Class four droid

Class four droids, also known as fourth class droidsStar Wars: The Visual Encyclopedia or fourth-degree droids,Star Wars Propaganda: A History of Persuasive Art in the Galaxy were droids skilled in security and military functions.
==Models==
Fourth-degree models included Baktoid Combat Automata'sUltimate Star Wars B2-series super battle droids, tactical droids, and BX-series droid commandos, all of which were classed as battle droids.
==Characteristics==
Most fourth class droids were not programmed to speak and interact with organic beings. The KX-series security droid was an exception, though it was not proficient when compared with a protocol droid,Star Wars: Rogue One: Rebel Dossier whose capabilities were similar to that of the T-series and its successor, both of which were tactical droid models used by the Confederacy.
==Appearances==
===Non-canon appearances===
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==Sources==
*Star Wars Propaganda: A History of Persuasive Art in the Galaxy
*Star Wars: Rogue One: Rebel Dossier
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*Star Wars: The Visual Encyclopedia 
*Star Wars: Droidography 
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*The Mandalorian: Allies & Enemies 
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==Notes and references==
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