A capstone panel addressed the future of Mars Exploration at a Viking at 40 Symposium on July 20 at NASA’s Langley Research Center in Hampton, Virginia. Panel speakers included Walt Engelund, Director, Space Technology & Exploration Directorate, NASA Langley Research Center, Panel Chair, Ellen Stofan, NASA Chief Scientist, Steve Jurczyk, Associate Administrator for Space Technology, NASA Headquarters, Greg Williams, Deputy Associate Administrator for Policy & Plans, Human Exploration & Operations Mission Directorate, NASA Headquarters, Jim Green, Director Planetary Science Division, NASA Science Mission Directorate, and Melissa Trainer, NASA Goddard Spaceflight Center.