This post contains spoilers for Infinite, beware if you haven’t played/finished it yet.
In 1 of Cortana’s memories, she speaks with AI Leonidas, who informs her of 76 Spartan trainees. She then orders the station destroyed, Leonidas complies and destroys Laconia Station and himself. However, in Bad Blood, it seemed as though Leonidas had been destroyed when Alpha-Nine was able to defeat him. How do you explain him being in this memory?