Emina Tristan - Chronos the Floating Prison Ship

Emina Tristan (エミナ・トリスタン) is a captain in the Allied Space Forces, and was the commanding officer of the battleship, Siva. She is described as an intelligent individual who earned many medals and achievements throughout her military career.

From Visual Novel Game : 漂流艦獄クロノス Hyouryuu Kangoku Chronos (Chronos the Floating Prison Ship)