I actually liked the helmet it was cool-looking and it was only for use in Halo Reach for Noble Six, every other helmet that Noble Team wears makes appearance (except Grenadier) and they are Commando (renamed as Noble; worn by Carter/Noble 1), Air Assault (worn by Kat/Noble 2), Scout (worn by Jun/Noble 3), EVA/EVA (C) (renamed as Hermes/Orbital; worn by Emile/Noble 4), and 343 did return the Mark V(A) which was inspired by Master Chief in Halo: Combat Evolved.
And a side note: I wonder what “B” stands for, but it most likely stands for Beta since the “A” in Mark V (A) stands for Alpha, and while the “C” in EVA (C) either stands for “Carved”, “Carving”, or “Custom”.