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Software Safety Standard Updated to Reflect the Latest Best Practices

Policy Byte

Martha Wetherholt explains how changes to NASA-STD-8719.13C bring NASA’s requirements for safety-critical software up-to-date with best practices in software safety design, analysis and development.

Mishap Classification Changes and Other NPR Revisions Mean Fewer Type B Mishaps and Better Investigations

Policy Byte

Gerry Schumann explains the four major changes to NPR 8621.1B for Mishap and Close Call Reporting, Investigating and Record-keeping and what they mean for you.

Safety Cases: Concept, Experience and Prospects

Event Video

In this seminar, John McDermid, professor of software engineering at the University of York, discusses the concept of safety cases, the motivation for producing them, and some of the notations and approaches to representing them.

The Importance of Technical Authority

Safety Message

Technical Authorities in engineering, safety and mission assurance, and health and medical all play an important role in NASA's decision-making processes. Hear Administrator Charles Bolden deliver this month's Safety Message on the importance of Technical Authority.

Fall Prevention in Construction

Safety Message

Russ DeLoach, Kennedy Space Center, delivers the July Safety Message on fall prevention in construction.

NASA's Meteoroid Work: The Meteoroid Environments Office

Knowledge Byte

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains what the Meteoroid Environments Office does, its responsibilities and the challenges that it faces.

NASA's Meteoroid Work: Meteor Shower Forecasting

Knowledge Byte

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains how meteor shower forecasting works and how it helps protect astronauts and spacecrafts.

NASA's Meteoroid Work: The Chelyabinsk Fireball

Knowledge Byte

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains the background on the Chelyabinsk fireball that appeared over Russia in 2013 and how it demonstrated the danger of smaller meteorites.

NASA's Meteoroid Work: The Leonid Meteor Storms

Knowledge Byte

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke explains how the Leonid meteor showers of 1998-2002 led to the development of meteor shower forecasting.

NASA's Meteoroid Work: Photographing the Lyrid Meteors From the International Space Station

Knowledge Byte

Bill Cooke, lead of NASA's Meteoroid Environments Office (MEO), provides expert insight on the agency's meteoroid work in this series of Knowledge Bytes. Cooke tells the story of an astronaut on the International Space Station who photographed the Lyrid meteors. 


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    Featured Video

    Feature Videos

    Learn about the Office of Safety and Mission Assurance, its disciplines and programs, and much more in these feature videos.

    Safety Message

    Safety Messages

    Guest speakers deliver the monthly Safety Messages in these live recordings.

    Knowledge Bytes

    Knowledge Bytes

    These short videos provide expert insight on various safety and mission assurance topics.

    Policy Bytes

    Policy Bytes

    Policy owners explain recent changes to policies and standards in these short videos.

    Event Videos

    Event Videos

    Video captures of live events on Safety and Mission Assurance topics.