Bombardment of Mek'tradiCanonLegendsInfinities AppearancesAlphabet Squadron (First mentioned, simultaneous with audiobook) (Unknown)Unknown UnknownNoneAlphabet Squadron audiobook (Mentioned only) (Unknown)Unknown UnknownNoneShadow Fall (Indirect mention only) (Unknown)Unknown UnknownNoneShadow Fall audiobook (Indirect mention only) (Unknown)Unknown UnknownNone