We’re in for some Chop
From Halopedia, the Halo wiki
We're in for some Chop is a Halo 3 multiplayer achievement. It is awarded for destroying an enemy vehicle with Equipment (e.g. a Trip Mine) in a ranked playlist or in campaign. It's name is a line taken from the movie Aliens. Unlocking this Achievement will also unlock the Scout Shoulder Pads for Spartan Armor Customization.
