Dwayne Day is a senior program officer with the Aeronautics and Space Engineering Board at the National Research Council (i.e. National Academy of Sciences) in Washington, DC. He has directed numerous studies for NASA, including a major study on the threat posed to Earth by asteroids, a study of plutonium power supplies for robotic spacecraft, and is currently running a study of the future of NASA's astronaut corps in the post-shuttle era. He recently served as a study director for the planetary sciences decadal survey, which established priorities for NASA's exploration of the solar system for the period 2013-2022. He is a frequent author on satellite reconnaissance history as well as American space policy, and holds a Ph.D. from The George Washington University in political science. He has also recently written articles on Matt Jefferies (designer of the starship Enterprise) and Franz Joseph Schnaubelt, author of the Star Fleet Technical Manual, for Star Trek magazine.