### Question
What does national security systems mean?


### Answer
**National security systems** has the following meaning in *10 U.S.C. § 2315*:

> those telecommunications and information systems operated by the Department of Defense, the functions, operation or use of which—


(1) involves intelligence activities

#### Citation:
  - *10 U.S.C. § 2315*
  - Heading: **Subtitle A-General Military Law > PART IV-SERVICE, SUPPLY, AND PROCUREMENT > CHAPTER 137-PROCUREMENT GENERALLY**

