Materials Research January 31, 2019 In this video, Ngozi Ochoa, University of Texas at El Paso and Center for the Advancement of Space Safety and Mission Assurance Research Ph.D. graduate, shares details of her materials research on Columbia. More Videos Feature Videos Learn about the Office of Safety and Mission Assurance, its disciplines and programs, and much more in these feature videos. Safety Messages Guest speakers deliver the monthly Safety Messages in these live recordings. Knowledge Bytes These short videos provide expert insight on various safety and mission assurance topics. Policy Bytes Policy owners explain recent changes to policies and standards in these short videos. Event Videos Video captures of live events on Safety and Mission Assurance topics.