Commercial actors are investing in new space activities, including asteroid mining and on-orbit satellite servicing. Civil space plans raise the challenges of possible public-private partnerships and interactions with commercial activities. Threats posed by new weapon systems and the prospect of armed conflict in space raise critical questions regarding military uses of space. This panel focuses on the challenges of international and national regulation of outer space in light of these new activities and growing international security issues. Moderator: Professor Jack Beard, Space, Cyber & Telecommunications Law Program, University of Nebraska College of Law Panelists: Henry Hertzfeld, Research Professor of Space Policy and International Affairs, George Washington University School of Law; Matt Schaefer, Co-Director, Space, Cyber and Telecommunications Law Program, University of Nebraska College of Law; Dr. Peter Hayes, Senior Space Policy Analyst, Facon Research Policy & Integration Division; Principal DoD Advisor Staff; Colonel R.F. (Rob) Holman, Deputy Judge Advocate General for Military Justice, Canadian Armed Forces, Government of Canada.