### Question
How is the "air traffic controller" or "controller" defined?


### Answer
The term **air traffic controller" or "controller** is defined in *5 U.S.C. § 8425* as follows -

> given to it under section 8401(35)(A).

#### Citation:
  - *5 U.S.C. § 8425*
  - Heading: **PART III-EMPLOYEES > Subpart G-Insurance and Annuities > CHAPTER 84-FEDERAL EMPLOYEES&apos; RETIREMENT SYSTEM > SUBCHAPTER II-BASIC ANNUITY**

