The Office of Safety and Mission Assurance (OSMA) assures the safety and enhances the success of all NASA activities through the development, implementation and oversight of agencywide safety, reliability, assurance and space environment sustainability policies and procedures. OSMA includes the Mission Assurance Standards and Capabilities Division, Missions and Programs Assessment Division, Institutional Safety Management Division, and NASA Safety Center, as well as the Independent Verification and Validation Program.

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Responsible for

  • Establishing and assuring compliance with NASA Safety and Mission Assurance (SMA) strategies, policies and standards
  • Fostering early integration and life cycle implementation of Safety, Reliability, Maintainability and Quality Assurance (SRM&QA) into NASA's programs and operations
  • Improving methodologies for risk identification and assessment and providing recommendations for risk mitigation and acceptance
  • Performing independent SMA assessments and process verification reviews
  • Providing analysis and recommendations for critical agency safety decisions
  • Sponsoring the innovation and rapid transfer of SRM&QA technologies, processes and techniques to improve safety and reliability and reduce the cost of mission success


Russ Deloach

W. Russ DeLoach


William Russ DeLoach is NASA's chief of Safety and Mission Assurance (SMA). Appointed to this role in January 2021, DeLoach is responsible for the development, implementation and oversight of SMA policies and procedures for all NASA programs.

Prior to this assignment, DeLoach served as the SMA director at NASA’s Johnson Space Center, where he led a dedicated team of experts in assuring workforce safety and collaborating on smart solutions to human spaceflight risks since February 2019. His team worked to identify, characterize, mitigate and communicate risk to accomplish safe and successful human space exploration.

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Frank Groen

Deputy Chief

Dr. Frank J. Groen is the deputy chief of NASA’s Office of Safety and Mission Assurance (OSMA). In this position, he is responsible for executive leadership, policy direction, functional management and coordination for agency-wide program and institutional Safety and Mission Assurance (SMA) activities.

Prior to be appointed to this position, Groen was the director of the Safety and Assurance Requirements Division within OSMA, responsible for the development and maintenance of NASA directives and standards pertaining to SMA, as well as related methods, tools and guidance.

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Organizational Chart

Organizational Chart


This organizational chart shows the various areas of the Office of Safety and Mission Assurance (OSMA), the relationships between these areas, and staff information.

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The Office of Safety and Mission Assurance (OSMA) includes the Mission Assurance Standards and Capabilities Division (MASCD), Missions and Programs Assessment Division (MPAD), Institutional Safety Management Division (ISMD), and NASA Safety Center (NSC), as well as the Independent Verification and Validation (IV&V) Facility.



Mission Assurance Standards and Capabilities Division

The Mission Assurance Standards and Capabilities Division (MASCD) fosters and continually advances the state of NASA’s Safety and Mission Assurance (SMA) through the development and promulgation of policy, standards, guidance, technical knowledge and capabilities.

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Missions and Programs Assessment Division 

The Missions and Programs Assessment Division (MPAD) is the primary interface between OSMA and the NASA Mission Directorates. MPAD supports the formulation and implementation of Safety and Mission Assurance objectives and requirements by the directorates and human spaceflight enterprises. 

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Institutional Safety Management Division

The Institutional Safety Management Division (ISMD) monitors, promotes and actively maintains and improves the Institutional Safety discipline areas and helps identify and mitigate Institutional Safety risks.

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NASA Safety Center

The NASA Safety Center (NSC) provides SMA expertise, information, verification and analysis to enable collaboration and learning while promoting a safe workplace and successful programs and projects.

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Independent Verification and Validation

NASA's Independent Verification and Validation (IV&V) Program was established in 1993 as part of an agencywide strategy to provide the highest achievable levels of safety and cost-effectiveness for mission critical software.

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