While playing Chapter 4, I returned to the Terra Nova ship after completing the CMS Greely optional mission, and it automatically started Chapter 5. Can I still complete the CMS Brusilov optional mission from this point, or do I have to replay Chapter 4?
(Yes, I know I can simply try going back into space to the shuttle and attempt going to the Brusilov, but I'm not near my PS3 right now.)
