; or (B) being used pursuant to a contract or Space Act Agreement with the Federal Government for carrying a government astronaut or a researcher funded by the Federal Government; or ; and (2) by adding at the end the following: (c) Definitions In this section: (1) Government astronaut The term government astronaut has the meaning given the term in section 50902. (2) Space Act Agreement The term Space Act Agreement means an agreement entered into by the Administration pursuant to its other transactions authority under section 20113(e). . 839. Orbital debris (a) Findings Congress finds that— (1) orbital debris poses serious risks to the operational space capabilities of the United States; (2) an international commitment and integrated strategic plan are needed to mitigate the growth of orbital debris wherever possible