, ▁D ixon ▁can ▁be ▁very ▁emot ional ▁when ▁his ▁family ▁or ▁loved ▁ones ▁are ▁involved , ▁going ▁so ▁far ▁as ▁to ▁act ▁against ▁orders ▁to ▁protect ▁them . ▁His ▁code ▁name ▁in ▁AP O ▁is ▁Out r igger . ▁ ▁Story lines ▁ ▁Season ▁ 1 ▁Before ▁he ▁was ▁being ▁rec ru ited ▁to ▁SD - 6 ▁by ▁Jack ▁Br ist ow , ▁D ixon ▁was ▁a ▁member ▁of ▁the ▁Re con ▁Mar ines . ▁At ▁SD - 6 , ▁D ixon ▁was ▁Sydney ▁Br ist ow ' s ▁partner ▁on ▁miss ions , ▁but ▁unlike ▁Sydney , ▁D ixon ▁was ▁una ware ▁that ▁SD - 6 ▁was ▁not ▁actually ▁a ▁cover t ▁branch ▁of ▁the ▁C IA . ▁Several ▁times ▁during ▁the ▁first ▁season , ▁D ixon ▁question ed ▁Sydney ' s ▁lo y alt ies , ▁perce iving ▁the ▁actions ▁she ▁took ▁as ▁being ▁against ▁the ▁U . S . ▁government , ▁when ▁in ▁fact ▁the ▁opposite ▁was ▁true . ▁His ▁cover ▁was ▁that ▁of ▁an ▁invest ment ▁anal yst ▁for ▁Cred it ▁D au ph ine , ▁a ▁corpor ate ▁bank ▁in ▁dow nt own ▁Los ▁Angeles . ▁ ▁Season ▁ 2 ▁D ixon ▁eventually ▁learned ▁the ▁truth ▁about ▁SD - 6 ▁after ▁Sydney ' s ▁latest ▁mission ▁resulted ▁in ▁them ▁acqu iring ▁access ▁to ▁the ▁Alliance ▁server , ▁including ▁the ▁access ▁codes ▁to ▁all ▁twelve ▁SD ▁bases ; ▁need ing ▁to ▁confirm ▁that ▁the ▁current ▁codes ▁were ▁valid , ▁but ▁with ▁Jack ▁Br ist ow ▁exposed ▁and ▁captured