▁Space ▁Sh ip ▁Imp ot ence . ▁He ▁explains ▁that ▁X ox x , ▁the ▁evil ▁dict ator , ▁has ▁appeared ▁again ▁and ▁has ▁kid n apped ▁a ▁scient ist , ▁Professor ▁Von ▁Hamb urger . ▁ ▁The ▁professor ▁was ▁developing ▁a ▁gig antic ▁quantum ▁can non , ▁which ▁he ▁intended ▁to ▁use ▁for ▁peace ful ▁purposes . ▁X ox x , ▁however , ▁wants ▁the ▁can non ▁because ▁it ▁could , ▁theoret ically , ▁destroy ▁the ▁entire ▁universe ▁with ▁a ▁single ▁shot . ▁E rect a ▁Von ▁Hamb urger , ▁the ▁professor ' s ▁daughter , ▁also ▁contacts ▁the ▁player , ▁but ▁she ▁is ▁mainly ▁concerned ▁with ▁the ▁rescue ▁of ▁her ▁father . ▁ ▁The ▁player ▁first ▁has ▁to ▁ste al ▁a ▁better ▁f ighter , ▁the ▁T M IG - 2 2 6 , ▁from ▁the ▁heavily ▁guard ed ▁Fe X ▁l abs . ▁The ▁player ▁then ▁has ▁to ▁rende z vous ▁with ▁the ▁USS ▁Imp ot ence , ▁and ▁is ▁only ▁just ▁saved ▁from ▁destruction ▁by ▁pir ates ▁by ▁a ▁well - tim ed ▁vol ley ▁of ▁tor ped o es ▁from ▁the ▁Imp ot ence . ▁The ▁majority ▁of ▁the ▁following ▁miss ions ▁involve ▁assault s ▁on ▁X ox x ' s ▁forces ▁and ▁attempts ▁to ▁as certain ▁the ▁locations ▁of ▁the ▁professor ▁and ▁the ▁quantum ▁can non . ▁ ▁Event ually , ▁after ▁many ▁batt les ▁against ▁X ox x ' s ▁forces ▁and ▁hen ch - be ings , ▁the ▁player ▁res c ues ▁the ▁professor .