### Question
How does SERVICE, SUPPLY, AND PROCUREMENT define defense feature?


### Answer
Under *10 U.S.C. § 9511*, **defense feature** is defined as:

> equipment or design features included or incorporated in a civil aircraft which ensures the compatibility of such aircraft with the Department of Defense airlift system

#### Citation:
  - *10 U.S.C. § 9511*
  - Heading: **Subtitle D-Air Force > PART IV-SERVICE, SUPPLY, AND PROCUREMENT > CHAPTER 931-CIVIL RESERVE AIR FLEET**

