jsc2019e055340 (09-19-19) --- 2017 NASA astronaut candidates hike as a team with their field instructors during geology training in Arizona. Photo Credit: (NASA/Bill Stafford)
Photographer BILL STAFFORD NASA-JSC HOUSTON T
Date September 19, 2019
jsc2019e055340 (09-19-19) --- 2017 NASA astronaut candidates hike as a team with their field instructors during geology training in Arizona. Photo Credit: (NASA/Bill Stafford)