(a) In this chapter, the term major defense acquisition program means a Department of Defense acquisition program that is not a highly sensitive classified program (as determined by the Secretary of Defense) and
(1) that is designated by the Secretary of Defense as a major defense acquisition program; or
(2) that is estimated by the Secretary of Defense to require an eventual total expenditure for research, development, test, and evaluation of more than $300,000,000 (based on fiscal year 1990 constant dollars) or an eventual total expenditure for procurement of more than $1,800,000,000 (based on fiscal year 1990 constant dollars).