service psychiatric condition that was not noted on the Veteran ' s military entrance examination . " Under 38 U . S . C . A . § 1111 , a Veteran is entitled to a presumption of soundness on entry in service as to any disability not noted on examination for enlistment ; such presumption can be rebutted only by clear and unmistakable evidence . A history of a pre - service injury , of itself , is not a notation of a disability on service entrance , and does not suffice to rebut the presumption of soundness in the face of a normal clinical evaluation on service entrance . In addition , if the presumption of soundness is rebutted , the Veteran is entitled to a