UNSC Code Three-Nine-Two
From Halopedia, the Halo wiki
UNSC Code Three-Nine-Two is a United Nations Space Command code term that Special Warfare teams use it to ignore hails from other forces due to a higher-priority mission. Dr. Halsey used this code when Admiral Whitcomb hailed her over Eriandus Secundus when she was fleeing in the UNSC Beatrice. To him it meant and I quote, "You mean the good doctor just told me to go to hell." [1]
Sources
- ^ Halo: First Strike pg.278