\ I \ e U.S. Department of Energy by the under Contract W-7405-Eng-48. DISCLAIMER This document was prepared m an account of work sponsored by an agencyof the United States Government Neither the United States Government nor the University of California nor any of their employees, makes any wumnty, exprem o r implied, or nssumol any legal liability o r responsibility for the accuracy, completeness, o r usefulness of any information, apparatus, product, or process disclosed, o r represents that

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... ts use would not infringe privately owned rights. Reference herein to any specific commercial ppoducts, process, o r service by trade name, trademark, manufacturer, o r otherwise, does not necessarily constitute o r imply its endorsement, mmmcndation, or favoring by the United Statu Government or the University of California. The views and opinions of authors expressed herein do not necessarily state or rdlect those of the United States Government o r the University of California, and shall not be used for advertising o r product endorsement purposes. Prices availahle from (615) 576-8401, FTS 626-8401 Recent changes in the US nuclear weapons stockpile and its associated production complex have made nondestructive surveillance of weapons systems an increasingly important issue. In this paper we present the conceptual design for a neutron imaging system for use in the 10 -15 MeV energy range and discuss it potential applications in stockpile stewardship.