- "Deviate from your approved flight path, and you will be obliterated. Welcome to the Corellian Industrial Cluster. Welcome to Cymoon 1."
- ―An Imperial traffic controller
Cymoon 1 was a moon located in the Corellian Industrial Cluster. It housed Weapons Factory Alpha, the largest weapons factory in the galaxy. In the weeks after the Battle of Yavin, the Alliance to Restore the Republic learned that the Empire was to enter negotiations with Jabba the Hutt. The Alliance Fleet intercepted Jabba's envoy before sending several of its heroes to assault Cymoon 1.
- Star Wars 1: Skywalker Strikes (First appearance)
- Star Wars 2: Skywalker Strikes, Part II
- Star Wars 3: Skywalker Strikes, Part III
- Darth Vader 1: Vader (Appears in flashback(s))
- Star Wars 4: Skywalker Strikes, Part IV (Mentioned only)
- Star Wars 5: Skywalker Strikes, Part V (Mentioned only)
- Darth Vader 6: Vader, Part VI (Appears in flashback(s))
- Star Wars 11: Showdown on the Smuggler's Moon, Part IV (Mentioned only)
- Star Wars 26: Yoda's Secret War, Part I (Mentioned only)