### Question
What does development mean?


### Answer
**Development** has the following meaning in *42 U.S.C. § 16613*:

> the phase of a program following the formulation phase and beginning with the approval to proceed to implementation, as defined in NASA's Procedural Requirements 7120.5c, dated March 22, 2005

#### Citation:
  - *42 U.S.C. § 16613*
  - Heading: **CHAPTER 150-NATIONAL AERONAUTICS AND SPACE PROGRAMS, 2005 > SUBCHAPTER I-GENERAL PRINCIPLES AND REPORTS**

