This quote brings to mind men waiting in anticipation, uncertainty and most possibly fear as to what will happen once the battle begins. It also summons the horror of having to face non-human entities from outer space who are gearing up to fight with the people of earth.
The writer chose this quote to develop an image in the reader's mind - they feel as if they themselves were there. Therefore, bringing to life the sense of fear, anticipation and uncertainty that the people in battle are feeling. Thus making it as intense for those reading