In Halo CE, 2 and 3 (Also on ODST) we never got to see any other Spartans, but later on Halo 4 and 5 we see a lot of them. Where are they on the first trilogy?

  • 3
    They are dead. You've played reach right? Commented Oct 12, 2015 at 14:18
  • Ok so why on Halo 4 we see like 30 of them? Halo 4 only is four years after Halo 3, and we see this Locke Spartan in Halo 5 how seems to be very veteran. @CandiedMango
    – Guillelon
    Commented Oct 12, 2015 at 14:21
  • Different class of Spartans, i think in halo 4 they are Spartan 4s now. If there is no answer by tomorrow I'll write a proper one up. Commented Oct 12, 2015 at 14:33
  • Our hero, Master Chief, is also a Spartan II. Many of the later Spartans (including Noble Squad on Reach, with one exception) are Spartan IIIs, which I believe were made to be cheaper and more plentiful. I'm not familiar with the Spartan IVs though, so I'm not sure if they follow the same philosophy.
    – Zoneman
    Commented Oct 12, 2015 at 15:54
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    "Halo 4 only is four years after Halo 3" - According to this wiki article: halo.wikia.com/wiki/SPARTAN-IV_Program The Spartan-IVs were "recruited from the UNSC's military", unlike the Spartan-IIs and -IIIs, who entered the program as children. I don't see anything about when the IV program was initiated, but that should provide the start of an answer, since it logically takes less time to augment and retrain an adult soldier than to raise a child.
    – recognizer
    Commented Oct 12, 2015 at 17:21

2 Answers 2


TL;DR: The original Spartan-II soldiers were already down to a handful by the time the original trilogy begins. In fact, the events of the original trilogy are largely what convinced the USMC to pick up the Spartan program again and create the ones you see later.

By the time of the original trilogy, John-117 aka "The Master Chief" was one of only a handful of Spartan-II super-soldiers left in existence. Spartan-II involved taking children at a young age and combining genetic therapy, cybernetic/biological augmentation, and years of combat-level training. Only 33 subjects had survived the Spartan-II program, and the majority of those subjects were then killed during the Fall of Reach incident.

The Spartan-III program was considered a cheaper, faster alternative to its predecessor, kidnapping war orphans and rushing them through a streamlined augmentation process. As a side effect, however, the Spartan-III soldiers had nowhere near the toughness or combat proficiency of the Spartan-II's. This, in combination with their status as "disposable Spartan knock-offs" saw them die out fairly quickly. Some of the initial Spartan-III batches were also killed during the invasion of Reach, and the Spartan program was shut down for the time being.

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Years after Master Chief had already become a legend, the Spartan-IV program was started in an attempt to recreate the success of Spartan-II. The biggest difference is that Spartan-IV relies on volunteers from the existing military forces, which is why the new Spartans no longer required years to create and get into the field - the augmentations were done to adult subjects.

Most of the "other Spartans" you see in the more recent games are from the Spartan-IV program, started largely due to Master Chief's effectiveness.


From the novels Halo: Fall of Reach and Halo: First Strike, we know that some of the Spartan IIs were still alive when the Covenant started glassing Reach. They were deployed to the surface and to orbital stations to defend the planet. On the surface, they found Halsey and protected her as she discovered some Forerunner artifacts.

Halo: First Strike also explains that Linda, who was "killed" after Halo: Fall of Reach, was put on the Autumn when they jumped from Reach. She was supposedly ejected from the Autumn during the fight at the beginning of Halo: CE.

Kelly and the rest of Blue Team were on Reach, and eventually joined John-117 and Linda on their efforts to save Earth from the invading forces (Halo: First Strike).

The Spartan-IIs were still "in the universe", but they just weren't with John-117. They probably weren't also in Bungie's mind at the moment as well when they made Halo: CE

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