The Legacy of Orbital Debris Safety Message March 03, 2014 Dr. Mark Matney from NASA's Orbital Debris Program Office discusses orbital debris and space safety in the March Safety Message. More Videos Feature Videos Learn about the Office of Safety and Mission Assurance, its disciplines and programs, and much more in these feature videos. 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.