User blog comment:SilencedSkies/Body Armor: A Comparison./@comment-2250460-20130212222253/@comment-3115764-20130213000859

Not necessarily true. a Spartan can injure a Space Marine through physical strength, armor piercing ammunition, a Weapon/Anti-Vehicle Model 6 Grindell/Galilean Nonlinear Rifle, M41 Surface-to-Surface Rocket Medium Anti-Vehicle/Assault Weapon, the ARC 920 and various other small arms. A Space Marine is not invulnerable in the Aquila nor is a Spartan invulnerable in Mjolnir.