Spartan 3 armour ??

In the book ghost of onyx spartan 3 wear SPI armour but in halo reach the spartan 3 wear Mjolnir Mark V armour why is this

> In the book ghost of onyx spartan 3 wear SPI armour but in halo reach the spartan 3 wear Mjolnir Mark V armour why is this

They were exceptional soldiers who stood out over the others based on skill or simple survivability. Some of them survived missions which were considered suicide missions so they were chosen for a special team and given special equipment.

> > In the book ghost of onyx spartan 3 wear SPI armour but in halo reach the spartan 3 wear Mjolnir Mark V armour why is this
>
> They were exceptional soldiers who stood out over the others based on skill or simple survivability. Some of them survived missions which were considered suicide missions so they were chosen for a special team and given special equipment.

Nihilus to the rescue, yet again.