Section, Pub. L. 91–121, title IV, § 409(a), Nov. 19, 1969, 83 Stat. 209; Pub. L. 93–608, § 2(4), Jan. 2, 1975, 88 Stat. 1971; Pub. L. 97–375, title II, § 203(a)(2), Dec. 21, 1982, 96 Stat. 1822, directed Secretary of Defense to submit an annual report to Congress on expenditures for research, development, test, and evaluation of all lethal and nonlethal chemical and biological agents.