The ship was assigned to carry chemical weaponry for a future offensive. At some point, the Hellas was redirected to Venus to repair attack damage from a previous operation.
During Operation D-Con, Nick Reyes, Nora Salter and Sean Brooks boarded the warship to steal a sample of the chemical weapons. After the retrieval, the infiltration team planted explosives on the ammunition before leaving the Hellas to safely detonate and destroy the warship.
- Hellas is the name of an impact basin on Mars.