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


### Answer
The term **Milestone A** is defined in *50 U.S.C. § 403* as follows -

> given that term in section 415a–9(f) [1](#403-3i_1_target) of this title.

#### Citation:
  - *50 U.S.C. § 403*
  - Heading: **CHAPTER 15-NATIONAL SECURITY > SUBCHAPTER I-COORDINATION FOR NATIONAL SECURITY**

