Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, reacts during a Space and Aeronautics Subcommittee of the House Science, Space, and Technology Committee hearing titled, “Developing Core Capabilities for Deep Space Exploration: An Update on NASA's SLS, Orion, and Exploration Ground Systems," Wednesday, September 18, 2019 at the Rayburn House Office Building in Washington. Photo Credit: (NASA/Aubrey Gemignani)