So You Don't Want the Tank?

So You Don't Want the Tank? is an achievement in Halo: The Master Chief Collection. It is unlocked by beating the 15-minute par time on the level Delta Halo. The achievement is worth 10 Gamerscore and can be unlocked on any difficulty.

Trivia

 * The name of the achievement is a quote said by Cortana during the mission, should the player choose to forgo use of the Scorpion tank. Doing so is the only way to beat the par time.