Galen ( SIS ) Galen was a Human male Republic Strategic Information Service agent during the Cold War . Biography . Cold War . Early career and the Planet Prison . A human male , Galen became an agent in the Republic Strategic Information Service — the primary intelligence agency of the Galactic Republic — sometime during the Cold War with the Sith Empire . Around 3641 BBY , he was stationed on the Republic capital of Coruscant , and headed the SIS base in the Senate Tower . When the design files for the Planet Prison superweapon were stolen by a team of thieves , the Mon Calamari General Var Suthra placed Galen and his team in charge of the investigation . Galen coordinated his search efforts with the Coruscant Security Force , but the SIS agent led the investigation and reported directly to General Suthra . Galen ' s investigation soon proved fruitful , as his agents were able to identify one of the thieves from a security recording — a Rodian named Vistis Garn . Galen then went straight to Suthra , who was speaking with the Jedi Masters Bela Kiwiiks and Orgus Din , Orgus ' former Padawan , Kiwiiks ' current Padawan Kira Carsen , and Doctor Eli Tarnis , the creator of the Planet Prison . Learning that Galen had a lead , Din ordered his former Padawan — now a Jedi Knight — to work directly with Galen , while the Jedi Masters and Suthra went to speak with the Supreme Chancellor Dorian Janarus . Kiwiiks also suggested that Carsen remain behind , as her security expertise could prove useful . Galen then explained his lead to the two young Jedi and Doctor Tarnis : Garn , who was known to work with the criminal Migrant Merchants ' Guild , had recently been spotted raiding a military warehouse for high - grade munitions and weapons . The Knight and the astromech droid T7 - O1 headed to the Guild - controlled Old Galactic Market to recover the weapons and design files , while Galen remained at the Senate Tower and worked with Carsen to distract the criminals with Coruscant ' s security network . However , while the Knight and T7 were successfully recovering the stolen files and weapons , Galen and Carsen encountered a security breach . Somehow , members of the Black Sun criminal syndicate infiltrated the Senate Tower ' s security and kidnapped Doctor Tarnis right under the SIS ' noses . When the Knight contacted Galen to report success , the agent brusquely ordered the Jedi back to the Senate Tower to aid in the search for Tarnis . Galen was disturbed to learn that Garn had been in fact hired by Black Sun to steal the files in the first place , and handed the recovered files off to his subordinate Krand for decryption Just as Galen was explaining the situation to the Knight , he received a holocall from Carsen , who had pursued the kidnappers to the nearby spaceport with CSF forces . She and the security team had pinned down the kidnappers in Docking Bay 84 , but they were unable to make any more progress . Galen ordered the Knight to go aid Carsen , and together the two Jedi were able to defeat the Black Sun members and discover that Tarnis had been taken to Black Sun territory . Tracking the Black Sun operatives who had supposedly kidnapped Doctor Tarnis , the Jedi Knight discovered that Tarnis was in fact a Sith Lord and the son of Darth Angral . With this revelation all of the Republic ' s superweapon projects were in danger . Galen left Coruscant shortly after that to secure the Power Guard Enhancement System on Nar Shaddaa . Power Guard project . As soon as he settled down on Nar Shaddaa and began his work , Galen was captured by the Sith Lord Sadic . Sadic then turned Galen into a Mark III Power Guard and forced Galen to obey his commands by punishing him with extreme pain if he refused . In a final act of defiance , Galen turned on Sadic and the other Power Guards . However , they were too powerful and Galen was severely wounded . Galen would survive , however , and learned how to control his implants with help from the SIS . Using his new abilities , Galen would go deep undercover into Sith space . He contacted the Knight who had saved him and told them about his assignment , thanking the Jedi for showing Galen that he still had something to live for . Personality and traits . Galen was a competent and dedicated SIS agent . He was determined to protect the Republic at all costs , including his life . Behind the scenes . Galen first appears in " " as part of the main story quests for the Jedi Knight story arc . At the end for the dark side option , when Galen is a Power Guard cyborg , the Republic player can choose to kill him instead of letting him live and letting him sacrifice himself .