jsc2019e055210 (09-18-19) --- 2017 NASA astronaut candidates take a break with their field instructors during geology training in Arizona. Photo Credit: (NASA/Bill Stafford)
Photographer BILL STAFFORD NASA-JSC HOUSTON T
Date September 18, 2019
jsc2019e055210 (09-18-19) --- 2017 NASA astronaut candidates take a break with their field instructors during geology training in Arizona. Photo Credit: (NASA/Bill Stafford)