A prior section 2438, added Pub. L. 102–484, div. A, title VIII, § 821(a)(1)(B), Oct. 23, 1992, 106 Stat. 2459; amended Pub. L. 103–160, div. A, title IX, § 904(d)(1), Nov. 30, 1993, 107 Stat. 1728, required competitive prototyping of major weapon systems and subsystems prior to development under major defense acquisition program, prior to repeal by Pub. L. 103–355, title III, § 3006(a), Oct. 13, 1994, 108 Stat. 3331.

Another prior section 2438 was renumbered section 2439 of this title and was subsequently repealed.