To amend title 10, United States Code, to ensure that certain TRICARE beneficiaries who reside in Puerto Rico may enroll in TRICARE Prime, and for other purposes.

This bill requires the Department of Defense to ensure that TRICARE beneficiaries whose health benefits are provided under contract, other than certain Medicare-eligible beneficiaries, may enroll in the TRICARE Prime managed care option in the Commonwealth of Puerto Rico, beginning not later than January 1, 2021.