The United States may use contractors to provide logistical support to the Multinational Force and Observers under this section in lieu of providing such support through a logistical support unit comprised of members of the United States Armed Forces.

Notwithstanding subsections (a) and (b) and section 3426(b) of this title, support by a contractor under this subsection may be provided without reimbursement whenever the President determines that such action enhances or supports the national security interests of the United States.