Lieutenant commander

Lieutenant Commander is the rank between Lieutenant and Commander in the UNSC Navy. They are most of the time 3rd in command some times 2nd and heads of departments.

Known Lieutenant Commanders

 * Lieutenant Commander Fhajad SPARTAN-084
 * Lieutenant Commander Gail Purdy
 * Lieutenant Commander J. G. Ortega
 * Lieutenant Commander Julian Waters
 * Lieutenant Commander Xaing Cho