Guardian Corps The Guardian Corps is an organization on Cocoon in " Final Fantasy XIII " . It is a military department of the Sanctum , tasked with more domestic issues compared to PSICOM . As revealed in the " Final Fantasy XIII Ultimania Omega " , Nao Ikeda , who designed most of the game ' s support cast , designed the Corps with more color to contrast to the PSICOM uniforms , which are mainly black . Lightning ' s standard attire in " Final Fantasy XIII " is a variant of the Guardian Corps female uniform , with a white coat with light green shoulders , no leggings , and various other additional details . Datalog . " The Guardian Corps is the branch of the Sanctum military responsible for maintaining peace and stability within Cocoon . " " Within their assigned jurisdictions , the soldiers of the Guardian Corps fulfill the role of police officers and protectors , working to eliminate all manner of criminal activity as well as rampaging wildlife . As a unit that works alongside the general population , it rarely employs heavy weaponry or cruiser - class airships . However , the Corps does retain squads of highly mobile shock troops . " Story . A counterpart to PSICOM , Guardian Corps soldiers are often assigned to protect citizens and secure cities during times of strife . In the days before the main events of " Final Fantasy XIII " , Guardian Corps regiments investigated the town of Bodhum and the nearby Pulse Vestige , as the Sanctum was concerned about Pulse " infection " . Lightning , a member of the Corps , talked with her leader , Amodar , about the mystery surrounding the Vestige . PSICOM units had been called in to survey the area , piquing Lightning ' s interest . Amodar warns her not to delve into the matter and instead asks about her family and encourages her to watch the fireworks . Later , PSICOM soldiers begin the Purge of Bodhum , commanding anyone in the vicinity to board trains and depart Cocoon for Pulse . Guardian Corps agents are absent during the Purge incident at the Hanging Edge , where it is made apparent the Sanctum does not merely wish to escort supposedly tainted individuals , but eliminate them altogether . PSICOM units engage in open warfare with the Purgees and the resistance group , NORA . When Lightning and Hope Estheim reach Palumpolum , PSICOM commander Yaag Rosch cooperates with the local Guardian Corps units to secure the city and hunt down the fugitive l ' Cie . When some Corps members protest against Rosch ' s methods of herding citizens around and shooting suspicious individuals on sight , he reminds them that the l ' Cie are dangers to Cocoon . After Cocoon has been crystallized by Ragnarok , Guardian Corps soldiers are seen helping evacuate the citizens . In " Final Fantasy XIII - 2 " it is revealed that immediately following the catastrophe , the Guardian Corps took control from the Sanctum , Cocoon ' s governing body . A provisional government was formed , consisting primarily of military personnel . This was spearheaded by the Cavalry , an elite unit of the Guardian Corps . Seeking to rebuild society on the strength of human science and free from dependence on the fal ' Cie , they founded an institute called the Academy and slowly the provisional government transferred authority to this new organization . The responsibility for defending the populace from Gran Pulse ' s hostile creatures passed to the institute , and drawing on personnel from the former Guardian Corps , the Academy Security Regiment was born . Also known as " The Cavalry " , the GC - WARB covers a large area of Cocoon and with the main command airship acting as their base . " Lindblum " , commanded by Cid Raines . Guardians of Bodhum , and where Lightning had served alongside Amodar . Patrols the forests of Gapra Whitewood . Patrols the town of Palumpolum . Guards the massive theme park Nautilus . Guards the capital city of Cocoon , Eden . Known as Capital Guard Division ( GC - CGD ) in Japanese . Gameplay . Guardian Corps units are fought as enemies in " Final Fantasy XIII " . Other appearances . Many of the appearances of Guardian Corps outside of " Final Fantasy XIII " are related to Lightning ' s appearances in other media . " Dissidia 012 Final Fantasy " . The Guardian Corps ' s female uniform appears as an alternate outfit for Lightning in " Dissidia 012 Final Fantasy " . " Dissidia Final Fantasy " ( 2015 ) . Lightning has different colored versions of her Guardian Corps uniform in the arcade version of " Dissidia " . The dark version is made after the uniform some enemies wear in " Final Fantasy XIII " , and the beige and teal appears in " Final Fantasy XIII " concept art for the generic female Guardian Corps uniform . " Final Fantasy XIII - 2 " . The player can get a Guardian Corps Badge as an adornment in " Final Fantasy XIII - 2 " . If the player has save data from " Final Fantasy XIII " when they start up " Lightning Returns : Final Fantasy XIII " on the same console , they get the garb . " Final Fantasy Record Keeper " . Some Guardian Corps troops appear as enemies in " Final Fantasy Record Keeper " . Non - " Final Fantasy " guest appearances . " Puzzle & Dragons " . The Guardian Corps garb appears in " Puzzle & Dragons " as part of the " Final Fantasy " collaboration . It serves as the base outfit for Lightning .