### Question
How is the term additive cost defined?


### Answer
The term **additive cost** is defined in *51 U.S.C. § 70303* as the following:

> the average direct and indirect costs to the Administration of providing additional flights of the Space Transportation System beyond the costs associated with those flights necessary to meet the space transportation needs of the United States Government

#### Citation:
  - *51 U.S.C. § 70303*
  - Heading: **Subtitle VII-Access to Space > CHAPTER 703-SHUTTLE PRICING POLICY FOR COMMERCIAL AND FOREIGN USERS**

