ONI's deadliest Spartans - THE HEADHUNTERS
ONI’s most LETHAL and SECRETIVE Spartans
Spartan 3's, The Best Spartan Class | Halo Lore - Uncle Sam
Why ONI (AGAIN) sent 300 Spartans to die for 1 mission - Halo Lore
Halsey Doesn’t Consider IV’s Spartans
ONI's most DISTURBING Operations and how they will influence Halo Infinite (ft. Installation00)
The 5 Greatest Spartan-III's in Halo History | Halo Lore
Halo 4: Prologue
ONI's classified history of Noble 6 - Was he a HEADHUNTER?
ONI's disturbing betrayal of Master Chief
The Spartan Generations
Greatest Spartans - Lore and Theory
The Man (NOT) From O.N.I.
Where was Noble 6 BEFORE Reach? (AND AFTER) - Halo Lore
Halo 5's fight scene, but it's lore accurate (ANIMATION)
The Deadliest Elites in the Covenant (Halo)
Halo Reach- ONI Sword Base: Meeting Dr. Halsey
Halo Lore | Biology behind the ONI Spartan II's | Augmentations, History, Program, Training, Lore
ONI's DARKEST SECRET (not what you think) - Halo Lore
What happened when ONI's Flood experiments on humans went wrong...
