Billy Pilgrim, like millions of other veterans is damaged by the effects of PTSD. Vonnegut wrote his satirical narrative, at a time when Post Traumatic Stress Disorder hadn’t become an actual disease.The central character to his narrative, Pilgrim, displayed multiple traits leading to the indication of the sickness. Vonnegut uses Billy Pilgrim’s distorted timeline as a symbol to demonstrate his theme of the devastation caused prior to and after the war.Because of his disease, Billy suffers with certain experiences. Yet Billy turns his disturbing thoughts into time travel, and the experiences he has due to his own phenomenon is a sign toward Pilgrim not being able to cope with himself. Pilgrims first experience with time travel was while he was being shot at. At this stage of the book, the storyline had been in chronological order, so in order to manage Pilgrim thinks about the first time he ever experienced true fear, but rather than remembering it as just a memory he correlates it with time travel (Vonnegut 43). Pilgrim never was anticipated of any sort of mental illness before he went into the war, still he comes out of the war beginning to time travel and is put in a mental institution. Once a normal man from Ilium, New York, now is a bystander to his very own life. Pilgrims life seemed to be free of any stability after his first experience with time travel, but without even knowing that the narrative is mainly focusing on him, a of lack of certainty is is felt by those who have encountered war. The legacy of a war continues well after a treaty is signed, and in Pilgrims case the war never seems to end. Although he seems to be living moment by moment in society, he is being tortured in his mind, having to relive his past again, reflecting on his everyday life. Pilgrim seems to live in a constant present, even when he isn’t time traveling, his past of misfortune and disaster haunts him, while having certain set offs forcing him to relive those memories. Types of “linking devices” are used throughout the story to point out the suppressed memories of war in Pilgrim’s mind. (Vees-Gulani 178). Groups of singing men are brought up throughout the book, but rather than Pilgrim looking at that them for what they simply are, they mean something more to him than that. For example, he literally became sick after hearing some barbershop music, because it brought back a bad memory of a guards he saw after the Dresden Bombing. (Vonnegut 178). Another sign that keeps coming back are the blue and ivory feet that Pilgrim notes down years after the war. Symbols of life and death are present in his most tedious activities because he finds that these attributes of life are most relatable to him. Although none of these events would have taken place, if the narrator himself, Vonnegut, did not experience these things himself .