Acting director of the Exploration Integration and Science Directorate and Chief Scientist at NASA's Johnson Space Center Dr. Eileen Stansbery, right, is seen with Vice President Mike Pence and Apollo 17 astronaut and geologist Dr. Harrison Schmitt in the Astromaterials Curation Laboratory at NASA's Johnson Space Center, Thursday, Aug. 23, 2018 in Houston, Texas. Photo Credit: (NASA/Joel Kowsky)

Vice President Mike Pence, center, views Sample 15014, which was collected during Apollo 15 with NASA's Apollo Sample Curator Ryan Zeigler, left, and Apollo 17 astronaut and geologist Dr. Harrison Schmitt, right, in Lunar Curation Laboratory at NASA's Johnson Space Center, Thursday, Aug. 23, 2018 in Houston, Texas. Sample 15014 is one of nine samples out of the 2,196 collected during the Apollo missions that was sealed inside its container on the Moon and still containes gasses from the Moon. Photo Credit: (NASA/Joel Kowsky)