Acting NASA Associate Administrator for Human Exploration and Operations, Ken Bowersox, left, Cristina Chaplain, director, Contracting and National Security Acquisitions, U.S. Government Accountability Office (GAO), center, and Doug Cooke, owner, Cooke Concepts and Solutions, right, testify 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)