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Conference Spotlight
2026 Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
Standards Program
The Standards Committee is responsible for the development and maintenance of voluntary consensus standards that address the design, analysis, and operation of components, systems, and facilities related to the application of nuclear science and technology. Find out What’s New, check out the Standards Store, or Get Involved today!
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Nuclear Science and Engineering
December 2025
Nuclear Technology
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November 2025
Latest News
Atomic museum benefits from L&A donation
Longenecker & Associates has announced a $500,000 pledge from John and Bonnie Longenecker to the National Atomic Testing Museum in Las Vegas, Nev. The contribution will strengthen the museum’s missions to inform the public about America’s national security legacy and current programs and to inspire students, educators, and young professionals pursuing careers in science, technology, engineering, and mathematics.
18th International Probabilistic Safety Assessment and Analysis (PSA 2023)
Dr. Matthew “Matt” Forsbacka is the director of the Mission Assurance Standards and Capabilities Division within NASA’s Office of Safety and Mission Assurance (OSMA) and is responsible for the development and maintenance of NASA directives and standards pertaining to SMA, as well as related methods, tools, and guidance. Previously, he served as NASA’s Nuclear Flight Safety Assurance Manager with responsibility for reviewing the Nuclear Launch Safety Approval Requests submitted by programs and projects that plan to launch nuclear power systems and radioactive material in space.
Prior to rejoining NASA in 2018, he served in senior leadership positions at the Defense Nuclear Facilities Safety Board the Department of Homeland Security. Earlier in his career, Forsbacka held staff level positions at DNFSB and served as a program executive at NASA. He started his career as a Nuclear Research Officer in the US Air Force, entering active duty in 1983.
Forsbacka has a doctorate in nuclear engineering from the University of Virginia and both a master’s and bachelor’s degree in nuclear engineering from the University of Florida.
Last modified May 17, 2023, 4:29pm EDT