NMPD HQ is an achievement in Halo 3: ODST and Halo: The Master Chief Collection. It is obtained by completing the campaign level NMPD HQ on Normal, Heroic, or Legendary and unlocks Romeo for use in Firefight. It is worth 30 gamerpoints.
It is represented by an olive circle, with the Marathon symbol imprinted in it, with a sniper rifle with its barrel bent backwards, in front of it.
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