6Our Approach: Pioneering Principles
18Subtitle C — Journey to Mars
7Three Phases on Our Journey to Mars
19Subtitle D — TREAT Astronauts Act
8Our Strategy for the Journey to Mars
20TITLE V — ADVANCING SPACE SCIENCE
9Our Progress and Plans on the Journey to Mars
21TITLE VI — AERONAUTICS
10Pioneering Challenges
22TITLE VII — SPACE TECHNOLOGY
11Short Title; Table of Contents
23Subtitle A — Agency Information Technology and Cybersecurity
12Definitions
24Subtitle B — Collaboration Among Mission Directorates and Other Matters