Charum Hakkor (achievement)
Charum Hakkor is an achievement in Halo: The Master Chief Collection. It is awarded for activating the third Halo 4 Terminal on Infinity. The achievement is worth 5 gamerpoints and can be unlocked on any difficulty.
After meeting Lasky and Palmer and being told to find an LZ, look behind the Chief and the terminal is seen at the end of the corridor.