(1) In addition to the authority provided under subsection (a), the Secretary of Defense may enter into personal services contracts if the personal services
(A) are to be provided by individuals outside the United States, regardless of their nationality, and are determined by the Secretary to be necessary and appropriate for supporting the activities and programs of the Department of Defense outside the United States;
(B) directly support the mission of a defense intelligence component or counter-intelligence organization of the Department of Defense; or
(C) directly support the mission of the special operations command of the Department of Defense.
(2) The contracting officer for a personal services contract under this subsection shall be responsible for ensuring that
(A) the services to be procured are urgent or unique; and
(B) it would not be practicable for the Department to obtain such services by other means.