Humana Government Business Inc., Louisville, Kentucky, was awarded a $121,895,674 modification to a previously awarded fixed-price T2017 East Managed Care Service Contract (HT9402-16-C-0001). This modification implements changes to the Military Health System required by the 2017 National Defense Authorization Act, specifically, the replacement of TRICARE Extra and TRICARE Standard health programs with TRICARE Select. Work will be performed throughout the eastern region of the continental U.S. at military service component sites, contractor call center, and within an integrated healthcare provider network, with a period of performance of Jan. 1, 2017, to Dec. 31, 2022. Fiscal 2018, 2019, 2020, and 2021 operation and maintenance funds are being obligated at time of award. The Defense Health Agency, Falls Church, Virginia, is the contracting activity. (Awarded Dec. 14, 2021)