### Question
Can you define what Milestone B approval means?


### Answer
**Milestone B approval** is defined as the following in *10 U.S.C. § 4324*:

> given that term in section 4172(e)(7) of this title.

#### Citation:
  - *10 U.S.C. § 4324*
  - Heading: **Subtitle A-General Military Law > PART V-ACQUISITION > Subpart F-Major Systems, Major Defense Acquisition Programs, and Weapon Systems Development > CHAPTER 323-LIFE-CYCLE AND SUSTAINMENT**

