### Question
What does Milestone B mean?


### Answer
**Milestone B** has the following meaning in *50 U.S.C. § 415a*:

> a decision to enter into major system development and demonstration pursuant to guidance prescribed by the Director of National Intelligence

#### Citation:
  - *50 U.S.C. § 415a*
  - Heading: **CHAPTER 15-NATIONAL SECURITY > SUBCHAPTER III-ACCOUNTABILITY FOR INTELLIGENCE ACTIVITIES**

