The Scylla's Executive Officer, some would say Commander Vex is the one who really runs things aboard the Scylla. Before showing an aptitude for command and transferring to the Navy, she had a background in the Imperial Marines, so she has a solid understanding of infantry combat missions. She has a positive reputation amongst most of the crew,

A woman whose homeworld is listed in her file as , Commander Vex rarely speaks about her upbringing. Her slightly pointed ears and silvery hair, however, mark her as a near-human. She is the ship's Executive Officer, and was formerly a marine, so she has a solid understanding of the importance of-- and difficulty with-- combined arms missions.
 
The rumours say that Vex was somehow involved in the time when then-XO Arcas took over the ship from its former Captain (reportedly involving a duel with swords on the bridge), then-Major Vex was promoted into Arcas' former position and transferred to Scylla. However, she quickly gained a solid reputation amongst the crew for competence and trustworthiness.