- "Imperial XX-23 S-thread tracker was developed by Sienar Systems to trace ships through hyperspace to destination."
The Imperial XX-23 S-thread tracker, also known as the XX-23 S-Thread Tracer, was a homing beacon developed by Sienar Fleet Systems to track ships through hyperspace to their destination. The tracker was able to be launched from the warhead launcher of a TIE Advanced v1 starfighter and was used by the Grand Inquisitor to track the Ghost.
- LEGO Star Wars: The Freemaker Adventures – "The Pit and the Pinnacle" (Mentioned only)
- LEGO Star Wars: The Freemaker Adventures – "Free Fall"
- Dawn of Rebellion (First identified as XX-23 S-Thread Tracer)
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