The Department of Defense, specifically the Department of the Army, is seeking solutions through the Training and Readiness Accelerator (TReX II) Other Transaction Agreement (OTA) for Nuclear Environments Test (NET) Prototype Projects. This initiative aims to develop innovative research and development solutions in the physical, engineering, and life sciences sectors, particularly focusing on national defense applications. The selected projects will contribute to advancing military capabilities in nuclear environments, which are critical for ensuring operational readiness and effectiveness. Interested parties should refer to the Special Notice for further details and submission guidelines, as specific deadlines and funding amounts have not been disclosed in the overview.