About the Author
WILLIAM HARRIS is a space systems engineer and aerospace writer with over fifteen years of experience in mission architecture design, planetary surface operations planning, and human spaceflight systems engineering. He has worked as a consultant for multiple NASA-sponsored studies on Mars habitat design, in-situ resource utilization, and long-duration life support systems, contributing to the agency's Design Reference Architecture updates and surface mobility concept studies. His technical writing has appeared in the *Journal of Spacecraft and Rockets*, *Acta Astronautica*, and the *Proceedings of the International Astronautical Congress*, and his popular articles on space exploration have been published by *Space News*, *The Space Review*, and *Universe Today*. He holds a Master of Science in Aerospace Engineering from the University of Colorado Boulder with a focus on astrodynamics and space habitat design, and a Bachelor of Science in Physics from the University of Washington. He is a member of the Mars Society, the American Institute of Aeronautics and Astronautics, and the National Space Society. He has participated in multiple field seasons at the Mars Desert Research Station in Utah, serving as executive officer and engineering officer for simulated Mars surface missions. WILLIAM HARRIS lives in Seattle, Washington, where he writes, consults, and follows the progress of the Artemis program and commercial Mars transportation development with intense interest.