Jiona served as a New Republic pilot during the Galactic Civil War, operating as part of Hail Squadron. This female pilot participated in a battle above the planet Chadawa in 5 ABY, where she piloted a Y-wing and used the callsign Hail Ten while fighting against the 204th Imperial Fighter Wing. Following the conflict, she went to see Captain Nath Tensent in the hangar bay of the Deliverance after his landing, urging him to return because she had witnessed Hail Nine eject after a Raider-class corvettes destroyed his Y-wing.
The character Jiona made her debut in Victory's Price, a novel from 2021 penned by Alexander Freed.