### Question
What does military aircraft mean?


### Answer
**Military aircraft** has the following meaning in *39 U.S.C. § 3401*:

> an aircraft owned, operated, or chartered by the Department of Defense

#### Citation:
  - *39 U.S.C. § 3401*
  - Heading: **PART IV-MAIL MATTER > CHAPTER 34-ARMED FORCES AND FREE POSTAGE**

