10 USC 1095a - Medical care: members held as captives and their dependents
(a) Under regulations prescribed by the President, the Secretary concerned shall pay (by advancement or reimbursement) any person who is a former captive, and any dependent of that person or of a person who is in a captive status, for health care and other expenses related to such care, to the extent that such care
(1) is incident to the captive status; and
(2) is not covered
(A) by any other Government medical or health program; or
(B) by insurance.