0:19 - Narrator: "As the Separatists tighten their grip over vital but isolated supply routes, the Republic launches a lightning strike into a remote, ghost nebula to control the strategic system of Umbara." Leia uses this same expression in
A New Hope: "The more you tighten your grip, Tarkin, the more star systems will slip through your fingers" [57:44].
1:09 - Fives: "Just like old times, Rex." Biggs says almost the same thing in A New Hope: "It'll be like old times, Luke" [1:43:34].
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Throughout this episode arc, Umbara is described as dark and shadowy. The name Umbara seems to be derived from the Latin word umbra, which means shadow.