Halo: The Master Chief Collection - Halo 2 - Rule Your Thirst! - Halo 2A MP: Found and destroyed the BLAST soda can on Warlord. This achievement is fairly easy to unlock.
On the map Warlord, as soon as you spawn find the yellow base. Jumping into the yellow base head to to the right where there should be a tree growing in the corner.
Look in the crack and you should see the blast soda can.
Shoot it and your achievement should pop! Enjoy!