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Psi
Psi was a letter in the Tionese alphabet. Psi was often used as a call sign for Imperial starfighter Flight groups, specifically Assault Gunboats. Assault Gunboat designated Psi 2 is one such example.
Appearances
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- Star Wars: X-wing (First appearance)
- Star Wars: TIE Fighter
- Star Wars: X-wing vs. TIE Fighter
- Star Wars: X-wing Alliance