### Question
Can you define what operational test and evaluation means?


### Answer
**Operational test and evaluation** is defined as the following in *10 U.S.C. § 2399*:

> given that term in section 139(a)(2)(A) of this title. 

#### Citation:
  - *10 U.S.C. § 2399*
  - Heading: **Subtitle A-General Military Law > PART IV-SERVICE, SUPPLY, AND PROCUREMENT > CHAPTER 141-MISCELLANEOUS PROCUREMENT PROVISIONS**

