### Question
Can you define what contract means?


### Answer
**Contract** is defined as the following in *42 U.S.C. § 2457*:

> any actual or proposed contract, agreement, understanding, or other arrangement, and includes any assignment, substitution of parties, or subcontract executed or entered into thereunder

#### Citation:
  - *42 U.S.C. § 2457*
  - Heading: **CHAPTER 26-NATIONAL SPACE PROGRAM > SUBCHAPTER I-GENERAL PROVISIONS**

