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Conference Spotlight
2026 ANS Annual Conference
May 31–June 3, 2026
Denver, CO|Sheraton Denver
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Hanford contractor settles fraud suit for $3.45M
Hanford Site services contractor Hanford Mission Integration Solutions (HMIS) has agreed to pay the Department of Justice $3.45 million as part of a settlement agreement resolving allegations that HMIS overcharged the Department of Energy for millions of dollars in labor hours at the nuclear site in Washington state.
Technical Session|Technology Research and Development
Wednesday, April 29, 2026|8:00–9:20AM EDT|Room 302/303/304
Session Chair:
June F. Zakrajsek (The Aerospace Corporation)
Alternate Chair:
Tyler Steiner (NASA GRC)
This session explores the design, performance modeling, and feasibility of advanced nuclear fission surface power systems, including Brayton cycle and molten salt reactor concepts, specifically tailored to provide reliable energy for future lunar missions.
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Feasibility Study on a Nuclear Reactor for Lunar Surface Application Using Natural Uranium Fuel
8:00–8:20AM EDT
Fumiya Sato (Tokyo City Univ.), Jun Nishiyama (Tokyo City Univ.)
Paper
Multiphysics Power Balance Modeling of a Fission Surface Power-Type Dual Brayton Gas Cooled Reactor System
8:20–8:40AM EDT
Anthony Y. Ghossein (Lockheed Martin Space), John P. Mulloy II (Lockheed Martin Space), Cole M. Mueller (Lockheed Martin Space), Joshua S. Bowman (Lockheed Martin Space), Alexis Maldonado (Lockheed Martin Space), Jesse D. Chuhta (Lockheed Martin Space), Kevin S. Bennion (Lockheed Martin Space), Chesney R. Boal (Lockheed Martin Space), Sean M. Smith (Lockheed Martin Missiles and Fire Control), Mikaela E. Blood (Lockheed Martin Space), Ian G. Collins (Lockheed Martin Space), Jeffrey J. Breedlove (Creare LLC)
Burnable-Absorber-Loaded Micro Molten Salt & Metal Reactor (MSMR) for Lunar Base Power
8:40–9:00AM EDT
Jaehyun Ryu (KAIST), Yonghee Kim (KAIST)
Cycle Performance Analysis and Preliminary Design of a PCHE Recuperator for a 100-kWth Space He-Xe Brayton Cycle
9:00–9:20AM EDT
Seunghwan Oh (Korea Atomic Energy Research Institute), Sung Nam Lee (Korea Atomic Energy Research Institute), Nam-il Tak (Korea Atomic Energy Research Institute), Chan Soo Kim (Korea Atomic Energy Research Institute)
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