Name of GRD helmet

As far as I know, 343i have never used this name, have they? Does anyone know? I’m pretty sure GRD is a fan-made name, but I don’t know where it comes from or what it means.

For information, the armor was supposed to be in the Anniversary map pack but they had to cut it. (Source: http://www.neogaf.com/forum/showpost.php?p=35044917&postcount=8270 ) So they replaced it with the dolls.

I don’t think it’s canon…

GRD is a helmet that was cut from halo reach map-pack expansion it was not fan (it was first seen in the anniversary map pack promo). you can find easter egg toy of a spartan with the helmet in fire fight.

personal i can see similarities to it and linda- 058’s current armor varient.

Canon? Unknown
Fan Made? no, name maybe but it stuck

naming of helmets and armor often lose a Vowel or are abbreviated: GRD could be GuaRD; GRaDe; GuaRDian

if its a acronym it anyone’s guess

it’s that miner helmer from reach which eventually got cut…could be a nice add to the armory in h5g though