Operation Completion

Operation Completion is an achievement in Halo 4 and Halo: The Master Chief Collection. It is awarded for completing a Spartan Ops mission on any difficulty. In Halo 4, the achievement is worth 15 Gamerscore and is represented by the Spartan seal. In Halo: The Master Chief Collection, it is only worth 5 Gamerscore and is represented on the Steam icon by a single star surrounded by a wreath and 3 stars.