User blog comment:Destroyerofmw2/Chopper Gunner or Ac-130, Which do you like better./@comment-1991418-20100408091040

If enemies are in a building, fire a howitzer shell through the door and kill them w/ the splash damage. Plus, the AC-130 can destroy the chopper gunner, and can't be beaten by other air support (Except Predator missile)