Collection Eligibility ConfirmedG 10

Unlocked in the Pillar Of Autumn level. At the end, after you use the MAC gun to fight off the Covenant there's a cutscene. As the Pelican dropship lands, look to the right to see the Master Chief in his cryo pod.

https://www.youtube.com/watch?v=ITYU...oCompletionist

Credit to the Halo Completionist for the video