You Blew It Up!
From Halopedia, the Halo wiki
You Blew It Up!
You Blew It Up! is an achievement for Halo: Reach multiplayer matchmaking that will be made available for DLC playlists with the release of the Noble Map Pack. The achievement is earned by destroying a research facility in a game of Invasion on Breakpoint. It is represented by an exploding bunker.[1]