### Question
How is the term operational files defined?


### Answer
The term **operational files** is defined in *50 U.S.C. § 403* as the following:

> files of the National Reconnaissance Office (hereafter in this section referred to as “NRO”) that document the means by which foreign intelligence or counterintelligence is collected through scientific and technical systems

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

