“Victor Presper and his NCR troops are going to launch B.O.M.B.-001's missile salvo at the wasteland! You must reach the control computer and make sure he only hits the targets you want wiped from the map.”
Get to the missile targeting computer by any means. Once the targeting computer is accessed, by whatever means, the Prisoner may choose whether or not to change the targeting solutions for the missiles (XP is given once at least one missile is re-targeted)
Character type completion breakdown
Combat Boy, Diplomacy Boy, Science Boy – Any player type can perform this. It's just a matter of getting to the targeting computer.