Armed Forces. 728. Comptroller General review of Defense Health Agency oversight of TRICARE managed care support contractors (a) Review Not later than 180 days after the date of the enactment of this Act, the Comptroller General of the United States shall submit to the congressional defense committees a review of the oversight conducted by the Defense Health Agency with respect to the transition of managed care support contractors for the TRICARE program. (b) Matters included The review conducted under subsection (a) shall include the following: (1) The extent to which the Defense Health Agency provided guidance and oversight to the outgoing and incoming managed care support contractors during the transition period prior to the start of health care delivery. (2) The extent to which there were any issues with health care delivery, and if so— (A) the effect, if any, of the guidance and oversight by the Defense Health Agency during the transition period on those issues