The mercenary operative Ty Yorrick undertook an extraction mission on Safrifa, a planet characterized by its swamp terrain, during the year 231 BBY; Yorrick's profession is that of a mercenary.
Cavan Scott penned the novel The High Republic: The Rising Storm, which contains a reference to this extraction. This novel is part of Phase I of the Star Wars: The High Republic multimedia project and saw publication on June 29, 2021. Before the book's official release, StarWars.com offered a sneak peek of the novel, which included details about the event, on April 22 of the same year.