; 24 UST 2389). (5) Outer Space Treaty The term Outer Space Treaty means the Treaty on Principles Governing the Activities of States in the Exploration and Use of Outer Space, including the Moon and Other Celestial Bodies (signed at Washington, Moscow, and London on January 27, 1967, ratified by the United States on October 10, 1967; 18 UST 2410). 3. Certification to operate space objects Title 51, United States Code, is amended by adding at the end the following: VIII Authorization and Supervision of Nongovernmental Space Activities 801 Certification to Operate Space Objects Sec. 80101. Definitions. 80102. Certification authority. 80103. Certification application and requirements. 80104. Mitigation of space debris. 80105. Liability. 80106. Continuing certification requirements. 80107. Certification transfer. 80108. Certification expiration and termination. 80109. Existing license or pending application for space object operations. 80110. Private Space Activity Advisory Committee. 80111. Exemptions. 80101. Definitions In this subtitle: (1) Agency The term agency has the meaning given the term Executive agency in section 105 of title 5. (2) Agreement on the Rescue of Astronauts and the Return of Space Objects The term Agreement on the Rescue of Astronauts and the Return of Space Objects means the Agreement on the Rescue of Astronauts, the Return of Astronauts and the Return of Objects Launched into Outer Space (signed at Washington, Moscow, and London on April 22, 1968, ratified by the United States on December 3, 1968; 19 UST 7570). (3) Convention on Registration of Space Objects The term Convention on Registration of Space Objects means the Convention on Registration of Objects Launched into Outer Space (signed at New York on January 14, 1975, ratified by the United States on September 15, 1976