The Department shall: maintain and supervise generally the home in accordance with this subtitle; and adopt any regulation that is needed for management of the home, including regulations for admission, maintenance, and discharge of its residents. The Department may appoint a Director for the home and employ any other staff that is needed to manage the home properly. In appointing or employing staff, the Department shall give preference to a veteran who has an honorable discharge from the uniformed services. The Director shall: serve at the pleasure of the Secretary; and perform any duty that the Department requires.