User blog comment:MilitaryBrat/Master Chief vs Xenomorphs/@comment-4749025-20120204030950/@comment-181289-20120204051124

After tjhe sheild go down there is still the armor to go throguh, which is still very strong, it it should last against most assults until the sheild recharge, there really aren't any "exposed" points in the armor, it's completly sealed, the user can survive and function the the vacum of space.