Starlight Four represented the callsign given to the fourth pilot belonging to the Rebel Alliance's Starlight Squadron. Mart Mattin adopted this callsign throughout the Galactic Civil War while participating in Operation Starlight, piloting a T-65B X-wing starfighter in combat against the Imperial military.
The Rebel Alliance callsign, Starlight Four, initially surfaced within the pages of Star Wars (2020) 11. This comic was penned by Charles Soule, visually brought to life by Jan Bazaldua, and distributed by Marvel Comics on February 3, 2021.