jsc2019e055036 (09-17-19) --- 2017 NASA astronaut candidate Warren Hoburg examines samples during geology training in Arizona. Photo Credit: (NASA/Bill Stafford)
Photographer BILL STAFFORD NASA-JSC HOUSTON T
Date September 17, 2019
jsc2019e055036 (09-17-19) --- 2017 NASA astronaut candidate Warren Hoburg examines samples during geology training in Arizona. Photo Credit: (NASA/Bill Stafford)