the date of the enactment of this division, the Secretary shall seek to employ not fewer than 10 additional personnel in the Bureau of Medical Services, compared to the number of personnel employed as of the date of the enactment of this division. (b) Study The Secretary shall conduct a study on the accessibility of mental health care providers and services available to Department personnel, including an assessment of— (1) the accessibility of mental health care providers at diplomatic posts and in the United States