### Question
What is the definition of national security satellite?


### Answer
The definition of **national security satellite** is as follows in *50 U.S.C. § 3239*:

> a satellite weighing over 400 pounds whose principle purpose is to support the national security or intelligence needs of the United States Government

#### Citation:
  - *50 U.S.C. § 3239*
  - Heading: **CHAPTER 44-NATIONAL SECURITY > SUBCHAPTER IX-ADDITIONAL MISCELLANEOUS PROVISIONS**

