- last post: 01.01.0001 12:00 AM PDT
E is for Enlisted, which are usually the front lines of battle. O rank, or Officer, do not partake in much military action b/c of their high ranking status. Spartans and ODSTs are dangerous forces to reckon with, but are not ranks themselves. Master Chief, or John-117, is only an E rank as well, the only Spartan to get an officer rank was Kurt, when he was training the Spartan-III's