SPARTAN-II Program, Class II

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"Dr. Halsey and her Class I SPARTAN-II program, while incredibly effective, still had their own flaws to them. Class II, however, would be completely different. Newer and more ruthless DIs, expanded training methodologies, more focus on lone-wolf or duo tactics, and a lot more. Dr. Halsey's restrictions had limited the original program from its actual success rate. With a higher starting list of candidates, we're gonna produce a better batch of Spartans."

- Andrew Johnson, debriefing about the SPARTAN-II Class II program, just before its activation.