A group of stormtroopers, forming a platoon, had been positioned within an Imperial base located on the planet of Nevarro. Upon the detection of intruders, this platoon was mobilized, and it was composed of troopers with designations 5387, 5389, and also TK-147.
This platoon's initial appearance was in "Chapter 12: The Siege," with the descriptive audio confirming their identification as a platoon during the episode.