John-117 - Halo Nation — The Halo encyclopedia - Halo 1, Halo 2, Halo 3, Halo 4, Halo Wars, ODST, Re
Looking for the UNSC Navy rank Master Chief Petty Officer, the Halo 3 level Sierra 117, the Halo... ... John quickly proved himself to be one of the program's top candidates during his training. Both Dr. Halsey and Chief Mendez identified him as one of fo...