Drill citadelCanonLegendsInfinities AppearancesStar Wars (2015) 39 (First appearance) (Unknown)Unknown UnknownNoneStar Wars (2015) 40 (Unknown)Unknown UnknownNoneStar Wars (2015) 41 (Indirect mention only) (Unknown)Unknown UnknownNoneStar Wars (2015) 42 (Mentioned only; in opening crawl) (Unknown)Unknown UnknownNoneStar Wars (2015) 43 (Mentioned only; in opening crawl) (Unknown)Unknown UnknownNone