Master Chief (Halo)
MCPON John-117, or "Master Chief", is a fictional character and the protagonist of the "Halo" fictional universe created by Bungie. Master Chief is a playable character in the series of science fiction first-person shooter video games "", "Halo 2", "Halo 3", "Halo 4", and "". Outside video games, the character appears in books and graphic novels—"", "", "", and ""—and has cameos in other "Halo" media, including "", "", "The Halo Graphic Novel", "Halo Legends" and "".
Master Chief (Halo)
During the events between "Halo 4" and "Halo 5", Master Chief has reunited with and taken command of Blue Team, the last remaining known survivors of the SPARTAN-II program since . By the events of Halo 5, Master Chief has been known to execute countless military operations non-stop without rest alongside Blue Team. Blue Team's latest operation entailed the attempted retaking of an Office of Naval Intelligence facility on Argent Moon from Jul 'Mdama's Ex-Covenant remnant faction. During the operation, Master Chief comes into contact with what he believes to be Cortana, directed to go to Meridian. After sharing his findings with both Blue Team and the UNSC flagship Infinity after scuttling the station, Master Chief goes AWOL to investigate Meridian, with Blue Team following out of their lifelong loyalty to their team leader. Blue Team's rogue actions attract the attention of Fireteam Osiris, a team of SPARTAN-IV operatives led by Jameson Locke assigned with the purpose of returning them to custody.