; (2) by redesignating subsection (c) as subsection (d); and (3) by inserting after subsection (b) the following new subsection (c): (c) Unclaimed remains of military prisoners Subsection (b) shall not preclude the burial at the United States Disciplinary Barracks Cemetery at Fort Leavenworth, Kansas, of a military prisoner, including a military prisoner who is a person described in section 2411(b) of title 38, who dies while in custody of a military department and whose remains are not claimed by the person authorized to direct disposition of the remains or by other persons legally authorized to dispose of the remains. . 597. Space-available travel on Department of Defense aircraft for veterans with service-connected disabilities rated as total (a) In general Subsection (c) of section 2641b of title 10, United States Code, is amended— (1) by redesignating paragraphs (4) and (5) as paragraphs (5) and (6), respectively; and (2) by inserting after paragraph (3) the following new paragraph (4): (4) Subject to subsection (f), veterans with a permanent service-connected disability rated as total. . (b) Conditions and limitations Such section is further amended— (1) by redesignating subsection (f) as subsection (g)