 Meanwhile , Joanna is ordered to rescue a Maian survivor named Elvis from Area 51 who is key in stopping the conspiracy . She succeeds and the pair work together to rescue the president . She learns the conspirators are actually Skedar aliens disguised as Scandinavian humans who intend to test the weapon on the Earth before using it against the Maian homeworld . Without permission from the president , dataDyne elect to <unk> the deep sea vessel and take it to the ancient alien spacecraft . With the help of Elvis , Joanna follows where she finds a <unk> Dr. Caroll <unk> the <unk> . She replaces its current personality with a backup of the original , and the restored Dr. Carroll sets the weapon to self @-@ destruct in order to protect Earth . In retaliation , the Skedar capture Joanna and take her to their homeworld . Elvis rescues her and she then kills the Skedar High Priest , leaving the Skedar in <unk> . The game ends with Elvis and Joanna leaving the Skedar planet just prior to an orbital bombardment from the Maian navy . 
