Red Flamming was in the legendary edition. You can perhaps have with Legendary edition. For the blue, it was with an event or become a member of Bungie / 343 industry there some years ago( maybe 2-3 years ). I don't think if you can revisit it now.
*Ghost
*Revenant *Scorpion *Banshee *Sabre *Pelican *Covenant Cruiser *Carrier
Convenants are most technologically advanced, just by seeing their shield, weapons and tell them what book series.