Wing Commander CIC

Ok, I'm sorry if this has been raised b4 but, were Blair and Marshall really at the acadmy together?(I'm actually asking, not stirring up issues about WC canon) the Movie, Prophecy manual and the animated TV show all seem to suggest that they were but in the beginning of WC1 Maniac introduces himself to Blair, suggesting that they wern't...

again I'm sorry if this has come up b4, if it has then just ignore me, i don't mind...