User blog comment:The Shadow User/How do you feel about Subject Zero?/@comment-10385287-20101012121948/@comment-2174252-20101012192857

You can skip Jack’s loyalty mission, but not her recruiting mission. As I mentioned before, Jack’s recruiting mission (The Convict) is one of the first four after Freedom’s Progress. You won’t be able do Horizon until you complete these four: The Professor, Archangel, The Warlord, and The Convict