formerly known as CHAMPUS, TRICARE is a program of the Department of Defense that helps pay for covered civilian health care obtained by military beneficiaries, including retirees, their dependents, and dependents of active-duty personnel. 10 U.S.C. §§ 1079, 1086; 32 C.F.R. Part 199. TRICARE contracts with fiscal intermediaries and managed care contractors to review and pay claims, including claims submitted for prescription drugs. Fraud patterns are the same as in medicare fraud and other healthcare fraud. The Defense Criminal Investigative Service (DCIS) investigates TRICARE fraud.