KEEP IT CLEAN

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KEEP IT CLEAN is an achievement in Halo: Reach. It is awarded for killing seven Moa in the second Campaign level, Winter Contingency.

Trivia

 * The achievement's name is a direct quotation of the Superintendent's motto.
 * The player needs to kill seven Moa, which is a "seven" reference.
 * Any Moa that are splattered by the Spade will not count towards the seven needed for the achievement.