Elizabeth “Liz” Ruth is a research pilot at NASA’s Armstrong Flight Research Center at Edwards Air Force Base in California. She flies the Stratospheric Observatory for Infrared Astronomy (SOFIA), a modified Boeing 747SP with the world’s largest airborne astronomical observatory. Prior to joining Armstrong’s flight operations in 2016, Ruth was a legislative assistant for San Luis Obispo County in California from 2013 to 2015. In Ruth’s earlier career, she was a United Airlines flight officer on the B737-300, B757, B767 and B777 aircraft. She also worked for the company as a simulator and academic instructor for the B737-300 and was on the development team for the B737-300 Fleet Computer Based Training and Advanced Qualification Training Program. Before joining United, Ruth was an active duty pilot of the U.S. Air Force, where she served as instructor pilot, check pilot and aircraft commander for the T-38 and T-43 from 1981 to1989. She concluded her military career with the rank of captain. Ruth earned a Bachelor of Science in business administration from the University of Southern California, Los Angeles. She also earned a Master of Aeronautical Science from Embry-Riddle Aeronautical University where she attended classes at McClellan Air Force Base in Sacramento, California.