No. Dr. Halsey is a war criminal. She argued it was 'Utilitarianism'—sacrifice 75 children to save humanity from civil war (and later the Covenant).

Are Spartan-IVs the same?

No. Spartan-IVs are adult volunteers. They have safer augmentations but are physically weaker out of armor than IIs. The armor bridges the gap.

Chief is ~6'10" out of armor and 7'2" in armor.

Spartan Augmentation Survival

Will you survive the procedure?

📜 The Origins

The Spartan-II augmentation procedures were brutal. Less than half the candidates survived intact. Do you have the genetics to make it?

🚀 Master the Tool

Input your genetic markers and luck. We'll calculate your odds of becoming a supersoldier vs. a washout.

HALO

Candidate Profile

Genetic Compatibility

90% Match

Luck Factor

5/10

Likely Outcome

SPARTAN

55.0% Survival Chance

From the HALO Lore

Procedure Risks

Creating a Demon

The Spartan-II program abducted 75 children (age 6) and trained them until age 14. Then came The Augmentation Procedure.

The Enhancements

Occipital Capillary Reversal: "Cat eyes." See in the dark.
Superconducting Fibrification of Neural Dendrites: Reaction time increased by 300%. "Spartan Time."
Carbide Ceramic Ossification: Bones coated in advanced material. Virtually unbreakable.
Muscular Enhancement Injections: Muscles rip and tear until they rebuild with density capable of lifting cars.

The Washouts

Of the 75 candidates: * 33 survived intact. * 12 were crippled. * 30 died. Those who died were given a military funeral. The crippled were reassigned to ONI intelligence.