Raiden is helped by mercenary Solid Snake and spy Olga Gurlukovich. As the story progresses, Jack is revealed to be a former child soldier who fought for the Sons of Liberty leader Solidus Snake during the First Liberian Civil War. After the war's end, Raiden was given a normal life and tried to forget his past. It is revealed that a clandestine organization known as The Patriots is controlling his actions and his commanding officer is revealed as their computer-generated Artificial intelligence (AI). One of their spies becomes Raiden's girlfriend and the two fall in love. Raiden defeats Solidus after the Patriots' AIs tell him his death would also trigger those of Olga's child and Rosemary, the latter of whom is revealed to have been pregnant with Raiden's child during the mission. He later reunites with Rosemary, and both decide to stay together to raise their unborn child. Metal Gear Solid 4: Guns of the Patriots Metal Gear Solid 4: Guns of the Patriots (set five years after Metal Gear Solid 2) features Raiden after rescuing Olga's daughter Sunny from the Patriots, and searching the corpse of the mercenary Big Boss for Big Mama in exchange. The trauma of his breakup with Rosemary and the apparent miscarriage of his child have made Raiden believe he belongs on the battlefield. Raiden is fitted with a cybernetic exoskeleton as a result of the Patriots' machinations; he helps Solid Snake in the fight against Liquid Ocelot, wanting to obtain the Patriots' powers. However, he is wounded by Vamp in a fight. With his blood having been replaced with a military substitute called that requires regular maintenance, Raiden is treated by Sunny and Doctor Naomi Hunter. Following his recovery, Raiden goes back to Snake, killing Vamp and stays in Ocelot's ship Outer Haven to protect Snake as he shuts down the Patriots' AIs. In an epilogue, Rosemary tells Raiden their child was not miscarried; her marriage to Roy Campbell was a hoax to protect her and their son from the Patriots. Upon hearing this news, Raiden reconciles with Rosemary. Metal Gear Rising: Revengeance Raiden returns as the main character in Metal Gear Rising: Revengeance, which is set four years after Metal Gear Solid 4. He is a member of the private military company (PMC) Maverick Security in multiple tasks while raising money for his family. They are attacked by a group of terrorists called