(a) Subject to appropriations, the Department shall establish a program to make grants to entities for providing mental health and preventive health services using mobile units as provided in this Section. The Department shall issue requests for proposals to provide these services.
     (b) The services provided under the program shall target homeless veterans and other veterans facing obstacles to obtaining needed care or services, including those residing in rural and medically underserved areas. The mobile assistance units shall travel to various locations to provide services, including local veterans organization facilities and facilities serving the homeless.
     (c) Services provided through the mobile assistance units may include the following:
         (1) Mental health screenings.
         (2) Preventive health care.
         (3) Crisis intervention.