Section, added Pub. L. 108–136, div. A, title VIII, § 848(a)(1), Nov. 24, 2003, 117 Stat. 1554; amended Pub. L. 109–163, div. A, title VIII, § 846(a), Jan. 6, 2006, 119 Stat. 3391; Pub. L. 110–181, div. A, title VIII, § 825, Jan. 28, 2008, 122 Stat. 227, provided for delegation of limited acquisition authority to the commander of the unified combatant command for joint warfighting experimentation.