### Question
How does the law define major defense acquisition program?


### Answer
Under *10 U.S.C. § 4171*, **major defense acquisition program** is defined as:

> given that term in section 139(a)(2)(B) of this title.

#### Citation:
  - *10 U.S.C. § 4171*
  - Heading: **Subtitle A-General Military Law > PART V-ACQUISITION > Subpart E-Research and Engineering > CHAPTER 309-TEST AND EVALUATION**

