Sergeant Hadrian in Season One:
Sergeant Hadrian is the Galactica's Master-at-Arms and one of the few Marines onboard. She investigated the accident on the hanger deck that resulted in thirteen dead pilots. She also investigates the Cylon bombing of the Galactica by Aaron Doral. She requests a tribunal be held, to which Commander William Adama agrees. He calls a halt to it when Sergeant Hadrian tries to implicate him by way of his allowing the relationship between Lieutenant Sharon 'Boomer' Valerii and Chief Petty Officer Tyrol to carry on for some time.
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