doctrine . However , as the preponderance of the evidence is against the claim , that doctrine is not applicable . See 38 U . S . C . A . § 5107 ( b ) ; 38 C . F . R . § 3 . 102 . ORDER Entitlement to service connection for a chronic acquired psychiatric disorder , to include PTSD , MDD , and anxiety , is denied . _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ K . A . KENNERLY Acting Veterans Law Judge , Board