From Left, Boeing Quality Engineer Sam Salehpour; Ed Pierson, Executive Director of The Foundation for Aviation Safety and a Former Boeing Engineer; Joe Jacobsen, Aerospace Engineer and Technical Advisor to the Foundation for Aviation Safety and a former FAA Engineer; and Shawn Pruchnicki, Ph.D, Professional Practice Assistant Professor for Integrated Systems Engineering at The Ohio State University are sworn in before they testify at a Senate Homeland Security and Governmental Affairs - Subcommittee on Investigations hearing to examine Boeing's broken safety culture on Wednesday, April 17, 2024, in Washington. (AP Photo/Kevin Wolf)