Naval Code 45812 was a secret UNSC protocol for the SPARTAN-II Program being performed by the Office of Naval Intelligence in 2517. The code authorized the conscription of children into the SPARTAN-II program without their or their parent's knowledge or consent. This protocol was put into effect by Dr. Halsey to collect candidates for the SPARTAN-II program. The children conscripted into the SPARTAN-II program were replaced by flash-clones to account for their absence. The UNSC scientists never perfected flash-cloning and the flash-cloned children all died shortly after by fatal design flaws as a result.