Rule number 4, never say no to bacta...

Every Marine needs to understand and memorize the rules governing IBT. These rules should not only apply to MOUT, but all small unit infantry engagements. Rule number four must be pounded into the squad. There are no mistakes when clearing a structure in combat, only actions that result in situations; situations that Marines must adapt to, improvise, and overcome in a matter of seconds.

I swear, I'm pocking going to print that out and hang it on my wall.