Guest:  William (Bill) Ketchum; Topics:  Bill's book, "To The Moon On A Slide Rule," early ICBM and rocket history, early space program, Surveyor missions, lunar surface, nuclear propulsion, NASA, SLS, Gateway and much more.

Guest:  Dr. Bruce Cordell;  Topics:  The Maslow Window is now open for a big Apollo era-Panama Canal type space project due to improvements in the U.S. economy.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program.

Guest: Dr. Francis (Frank) Cucinotta;  Topics:  Radiation risks and issues for humans to Mars & more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.   Comments and questions should be relevant to the specific Space Show program. Written Transcripts of Space Show programs are a violation of our copyright and are not permitted without prior written consent, even if for your own use.

Guest:  Robert (Bob) Zimmerman; Bob's research work and paper for the Center for New American Security on SLS/Orion & much, much more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com.  Comments and questions should be relevant to the specific Space Show program.

Guest:  Hugh Blair-Smith; Topics: Hugh's book, "Left Brains for The Right Stuff: Computers, Space, And History," early spaceflight computers, SpaceX, much more.  Please direct all comments and questions regarding specific Space Show programs & guest(s) to the Space Show blog which is part of archived program on our website, www.thespaceshow.com. Comments and questions should be relevant to the specific Space Show program.