NASA Administrator Jim Bridenstine talks to Glenn Research Center facility manager, Deb Waters, and aerospace engineer, Dave Jacobson, who are inside the vacuum chamber showing one of the Hall Effect Thrusters by video, Monday, March 11, 2019, at the Neil Armstrong Operations and Checkout Building at NASA's Kennedy Space Center in Florida. Representatives from the Kennedy workforce, news media and social media were in attendance. For information on NASA's Moon to Mars plans, visit: www.nasa.gov/moontomars Photo credit: (NASA/Aubrey Gemignani)