War is a concept that changes over time. In combat, soldiers develope a different way of experiencing war as time moves on. This means that the soldiers have common experiences in war and over time they can either turn into an improved part of war, or a completely different aspect. As time passes by, soldiers have experienced a difference in war, from new forms of communication with loved ones to having near death experiences to having PTSD as a result.
Men and women experience the feeling of leaving their loved ones. Jimmy left Martha, whom he loved, to go into combat. He missed her when he read her letters and when he thought about the memories he shared. O'Brien writes, “First Lieutenant Jimmy Cross carried letters from a