Key questions will address the impact on U.S. national security due to attacks on commercial space assets. What is the `real' impact of commercial space on the U.S. economy (not just spending)? How would loss of commercial space capabilities impact U.S. warfighting capability? What constitutes an attack on a commercial space system? How do we deter and detect an attack? How should the U.S. respond to such attacks, proportionally or massively? Finally, what policy and process changes are needed to protect our national security?