Cortana and the Covenant

One of the Spartans, one of John's team, before they got memory on their armor, it was still in development. That's when they encountered the Covenant for the first time and they sent his team in because they were either that or get destroyed. So they just sacrificed their own man. Just a prove it point.Yeah, it was a mess. John felt a little bit guilty about it, but not enough to worry because he was defending himself. Do what you gotta do. Yeah. Dr. Halsey did not approve of that. She might have been a cruel woman in her own way, but she was also very good of a, like I said, she made Cortana