On 17 November 2021, the Domestic Preparedness Journal and the Resilient Navigation & Timing Foundation hosted a panel discussion on the vulnerabilities of the global positioning systems (GPS) and potential efforts to deter attacks on and interference with GPS satellites and signals. The Honorable John Garamendi, Congressman for the 3rd District of California and Chair of the House Armed Services Readiness Subcommittee, provided an introduction. Dana A. Goward, President of Resilient Navigation and Timing Foundation, and David Olive, Principal at Catalyst Partners LLC, moderated the discussion.