User blog comment:MilitaryBrat/Master Chief vs Xenomorphs/@comment-181289-20120201002047/@comment-181289-20120204021539

As far as I can tell there isn't any inncident an Elite ever killing a Spartan II in hand to hand combat. You can look for yourself, maybe I missed somthing.

http://halo.wikia.com/wiki/SPARTAN-II_Program#Discharged