Complex sentence: One board member, Dr. Sally Ride, served on both the CAIB panel and Rogers Commission and noted remarkable similarities between the two tragedies; why was the shuttle allowed to continue to fly with known problems that were, eventually, catastrophic.
Split into simpler sentences: One board member, Dr. Sally Ride, served on both the CAIB panel and Rogers Commission and noted remarkable similarities between the two tragedies. She questioned why the shuttle was allowed to continue flying with known problems that were, eventually, catastrophic.