### Question
Can you define what expected service life means?


### Answer
**Expected service life** is defined as the following in *10 U.S.C. § 231*:

> the number of years a naval vessel is expected to be in service

#### Citation:
  - *10 U.S.C. § 231*
  - Heading: **Subtitle A-General Military Law > PART I-ORGANIZATION AND GENERAL MILITARY POWERS > CHAPTER 9-DEFENSE BUDGET MATTERS**

