▁the ▁character ▁of ▁Star f le et ▁officers . ▁Later , ▁Dr . ▁Mc Co y ▁joins ▁Kirk ▁on ▁his ▁birth day ; ▁seeing ▁Kirk ▁in ▁low ▁spirits , ▁the ▁doctor ▁advis es ▁Kirk ▁to ▁get ▁a ▁new ▁command ▁and ▁not ▁grow ▁old ▁behind ▁a ▁des k . ▁ ▁Meanwhile , ▁the ▁star ship ▁R eli ant ▁is ▁on ▁a ▁mission ▁to ▁search ▁for ▁a ▁lif eless ▁planet ▁to ▁test ▁the ▁Gen esis ▁Device , ▁a ▁technology ▁designed ▁to ▁re organ ize ▁dead ▁matter ▁into ▁habit able ▁world s . ▁R eli ant ▁officers ▁Commander ▁P avel ▁Che kov ▁and ▁Captain ▁Clark ▁Ter rell ▁beam ▁down ▁to ▁evaluate ▁a ▁planet ▁they ▁believe ▁to ▁be ▁Cet i ▁Al pha ▁VI ; ▁once ▁there , ▁they ▁are ▁captured ▁by ▁the ▁gen et ically ▁engine ered ▁t yr ant ▁Khan ▁No on ien ▁Singh . ▁Fif teen ▁years ▁prior ▁( see ▁" Space ▁Se ed "), ▁Enter prise ▁discovered ▁Khan ' s ▁ship ▁ad rift ▁in ▁space ; ▁Kirk ▁ex iled ▁Khan ▁and ▁his ▁fellow ▁super men ▁to ▁Cet i ▁Al pha ▁V ▁after ▁they ▁attempted ▁to ▁take ▁over ▁his ▁ship . ▁After ▁they ▁were ▁mar oon ed , ▁Cet i ▁Al pha ▁VI ▁expl oded , ▁dev ast ating ▁Cet i ▁Al pha ▁V . ▁Khan ▁bl ames ▁Kirk ▁for ▁the ▁death ▁of ▁his ▁wife ▁and ▁plans ▁reven ge . ▁He ▁impl ants ▁Che kov ▁and ▁Ter rell ▁with ▁ind igen ous ▁e el ▁lar va e ▁that ▁render ▁them ▁sus cept ible ▁to ▁mind