When you describe something your character did to prepare for their current situation, describe what you did and mark 0-4 stress, then roll + amount of stress marked. Regardless of the result, the flashback should shift the fiction in some way.

On a 10+, it's all according to plan. Every member of the crew takes +1 forward on the next move they trigger.

On a 7-9, it's a momentary advantage. The next member of the crew to trigger a move takes +1 forward.

On a 6-, and you thought things were bad already…