In 3630 BBY, the Commander of the Eternal Alliance destroyed the Dust Vipers after they raided an Alliance patrol and stole sensitive data. The Dust Vipers' activities near Mos Pelgo were included in the Alliance Intelligence post-mission report.
Mos Pelgo was first mentioned in the Star Wars Legends continuity in BioWare's 2011 massively multiplayer online role-playing game, Star Wars: The Old Republic, specifically in the 2016 Knights of the Eternal Throne expansion. Mos Pelgo is only mentioned if the player completes the "Done and Dusted" Uprising. Mos Pelgo originated in the canon continuity in Star Wars: The Aftermath Trilogy by Chuck Wendig, where it was first mentioned in the first installment, Aftermath, released in 2015, before making its first appearance in 2017's Aftermath: Empire's End, the final volume of the trilogy.
Mos Pelgo was first mentioned in the Star Wars Legends continuity in BioWare's 2011 massively multiplayer online role-playing game, Star Wars: The Old Republic, specifically in the 2016 Knights of the Eternal Throne expansion. Mos Pelgo is only mentioned if the player completes the "Done and Dusted" Uprising. Mos Pelgo originated in the canon continuity in Star Wars: The Aftermath Trilogy by Chuck Wendig, where it was first mentioned in the first installment, Aftermath, released in 2015, before making its first appearance in 2017's Aftermath: Empire's End, the final volume of the trilogy.