Layla Destiny Shura serves as General Commander of the Galactic Railroad Administration Bureau, the governing entity responsible for the Space Defense Force (SDF) and its galaxy-wide operations. In "The Galaxy Railways: A Letter from the Abandoned Planet," she authorizes and oversees the Sirius Platoon's critical rescue mission to Planet Herise. This mission responds to a distress signal from the crashed Galaxy Express 999 on the off-limits planet. Her role includes coordinating strategic decisions during the incident, which involves confronting a temporal disruption and a threat arising from distorted history. Her responsibilities encompass high-level command of SDF platoons, including Sirius, and broader oversight of the Galaxy Railways' security and operational integrity.