You can't find your manual!
You go through a door into the cargo bay. You rush over to the box full of equipment. The manual is obviously not in the box. You hear a high pitched alarm going off and the door you entered through closes. The room's light turns red. The ship is about to blow. You whip on a spacesuit and take an oxygen tank. You open the door leading to empty space and jump out. WHOOPS! You forgot the helmet...