### Question
Can you define what milestone B decision means?


### Answer
**Milestone B decision** is defined as the following in *10 U.S.C. § 2400*:

> the decision to approve the system development and demonstration of a major system by the official of the Department of Defense designated to have the authority to make that decision

#### Citation:
  - *10 U.S.C. § 2400*
  - Heading: **Subtitle A-General Military Law > PART IV-SERVICE, SUPPLY, AND PROCUREMENT > CHAPTER 141-MISCELLANEOUS PROCUREMENT PROVISIONS**

