A battle was fought on Deko Neimoidia during the Clone Wars in 19 BBY, prior to the fall of Cato Neimoidia and around the time of the Outer Rim Sieges.
Towards the end of the war, the Republic forced the Trade Federation out of its purse worlds in the Colonies, sending the Neimoidians fleeing to the Outer Rim Territories. Deko Neimoidia, one such purse world, was invaded by the clone troopers of the 22nd Air Combat Wing, led by Jedi General Roan Shryne.
Commander Cody and Jedi Generals Obi-Wan Kenobi and Anakin Skywalker were part of the assault on the Trade Federation's citadel, and they were able to use the floorplans of the fortress to the Republic's advantage in their later attempt to capture Nute Gunray. The clone commandos of Ion Team also participated in the battle, and General Shryne earned the respect of Captain Climber, the team leader who later saved Shryne's life.
Deko Neimoidia fell along with Cato and Koru Neimoidia, eventually leading the leaders of the Separatists to set up headquarters on the Outer Rim worlds of Utapau and Mustafar.
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