the Administrator shall submit to the appropriate committees of Congress a report containing the results of the study carried out under paragraph (1). (f) Inspector General audit The Inspector General of NASA shall periodically audit or review, as the Inspector General considers necessary to prevent waste, fraud, and abuse, the activities of the Administration under section 20149 of title 51, United States Code. V Advancing space science 501. Maintaining a balanced space science portfolio (a) Sense of Congress on science portfolio Congress reaffirms the sense of Congress that— (1) a balanced and adequately funded set of activities, consisting of research and analysis grant programs, technology development, suborbital research activities, and small, medium, and large space missions, contributes to a robust and productive science program and serves as a catalyst for innovation and discovery