Duizhu

"Colonel Young. Meet Duizhu Cheung. At least I think that’s how you say her rank."
"Captain is fine."

―General Jack O'Neill and Duizhu Cheung

Duizhu is an ancient Chinese military rank. The Xi'an people use this rank. It's English equivalent would be Captain. (SGU: "Icarus 1")

Known Duizhu

• Cheung