1. Short title This Act may be cited as the Military OneSource Transparency Act . 2. Reports on Military OneSource (a) First report Not later than 180 days after the date of the enactment of this Act, the Secretary of Defense shall submit to the Committees on Armed Services of the Senate and House of Representatives a report regarding the Military OneSource program of the Department of Defense. Such report under shall include the following elements: (1) A history of the program, including origin, development, and expansion. (2) An accounting of costs to the Federal Government to operate the program during fiscal years 2019 through 2023. (3) Use of the program during fiscal years 2019 through 2023, including— (A) the total number of individuals who used the program, disaggregated by whether such use was through a phone call or the website; (B) the number of members of the Armed Forces who have used the program, disaggregated, to the extent practicable, by Armed Force, race, gender, age, marital status, and duty location; and (C) the most commonly used services offered through the program. (4) How records for such usage are kept and protected. (5) A list of all services offered through the program. (6) The cost of any service to a member. (7) Services to be added to the program. (8) Criteria by which services offered through the program are added or discontinued. (b) Subsequent reports Not less than once in each of fiscal years 2025 through 2029, the Secretary shall submit to the Committees on Armed Services of the Senate and House of Representatives a report regarding such Military OneSource program. Each such subsequent report shall include the following elements with regards to the fiscal year preceding the date of such report: (1) An accounting of costs to the Federal Government to operate the program. (2) Use of the program, including— (A) the total number of individuals who used the program, disaggregated by whether such use was through a phone call or the website