"This is Major Sanos, just off his third year at the Trench."
―Major Nedecca[src]

Sanos was a male Human major in the Imperial Military of the Sith Empire during the Galactic War against the Galactic Republic. In 3641 BBY he was assigned to Corellia under Sith Lord Razer and participated in the Battle of Corellia offensives such as an assault on the Aegis Base together with Major Nedecca and former Intelligence Agent Cipher Nine.