John Batchelor and I welcomed back Dr. Haym Benaroya for a one segment 10 + minute Hotel Mars discussion about returning to the Moon, the potential contribution to the trip by various rockets now in the mix, surface habs, the DSG, lunar landers, 3 D printing and more. Read the full summary of the program for this date at www.thespaceshow.com for Wednesday, Feb. 21, 2018.