Major Jack 'Fifty' Hansen (April 5, 2511- November 3, 2552) was a SPARTAN-II supersoldier of the UNSC Navy's Special Warfare Command, and later an ODST officer in the Marine Corps. Known in the SPARTAN program as Jack-050, or, in informal settings, simply as Fifty, he was abducted in childhood by the Office of Naval Intelligence and inducted into the SPARTAN-II program, the purpose of which was to produce a special operations force through indoctrination, training and biological enhancement of genetically superior individuals. As one of the thirty three SPARTANs to survive augmentations unharmed, 050 served as part of the UNSC's most capable, highly trained special forces unit. Though the program was initially conceived with the ongoing insurrection of the outer colonies in mind, 050 and h