Nov. 22, 2017 Take Command with TRICARE Changes: Enrollments Shifting from Fiscal to Calendar Year Starting in January 2018 Starting Jan. 1, 2018, cost changes for TRICARE benefits transition from a fiscal year period to a calendar year period. “Changing from a fiscal year (Oct. 1 – Sept. 30) to a calendar year (Jan. 1 – Dec. 31) makes the TRICARE benefit consistent with civilian health plans,” said Capt Nicholas
