Here there is killing and there is dying. If you aren't cut in half by a blast from an enemy combatant then you are probably taking aim and taking them down yourself. As you grab your guns and grenades don't forget your guts because this war is hell.

W,A,S,D: Move

Space: Throw Grenade

Q: Switch Weapon

R: Reload

C: Crouch/Roll

Shift: Dash