### Question
How is the "Milestone B" defined?


### Answer
The term **Milestone B** is defined in *50 U.S.C. § 3101* as follows -

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

#### Citation:
  - *50 U.S.C. § 3101*
  - Heading: **CHAPTER 44-NATIONAL SECURITY > SUBCHAPTER III-ACCOUNTABILITY FOR INTELLIGENCE ACTIVITIES**

