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|Novel|| Volume 9, Chapter 7 (First Appearance) |
Volume 10, Chapter 8 (Named)
Enceladus is one of the few members mobilized to support Major Angie Sirius in either capturing or killing Shiba Tatsuya. Enceladus, Mimas, Iapetus, and Titan all appeared when Angelina Kudou Shields screamed. While dressed as fake cops they tried to kill Tatsuya for learning the real identity of Angie Sirius. 
Enceladus avoided major injuries from the fight. On the next day, it was considered that if he is observed for another day and that if there were no lingering issues, he along with Titan could return to active duty. 
- In keeping with the naming of USNA Stars members, "Enceladus" is named after Enceladus, Saturn's sixth largest Moon.